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Quartz   Listen
noun
Quartz  n.  (Min.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque. Note: The crystalline varieties include: amethyst, violet; citrine and false topaz, pale yellow; rock crystal, transparent and colorless or nearly so; rose quartz, rosecolored; smoky quartz, smoky brown. The chief crypto-crystalline varieties are: agate, a chalcedony in layers or clouded with different colors, including the onyx and sardonyx; carnelian and sard, red or flesh-colored chalcedony; chalcedony, nearly white, and waxy in luster; chrysoprase, an apple-green chalcedony; flint, hornstone, basanite, or touchstone, brown to black in color and compact in texture; heliotrope, green dotted with red; jasper, opaque, red yellow, or brown, colored by iron or ferruginous clay; prase, translucent and dull leek-green. Quartz is an essential constituent of granite, and abounds in rocks of all ages. It forms the rocks quartzite (quartz rock) and sandstone, and makes most of the sand of the seashore.






Collaborative International Dictionary of English 0.48








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"Quartz" Quotes from Famous Books



... on the pedestal are the right words written by the right man, entwining, as it were, the historical and literary associations of the place. An exquisite appropriateness, too, presides over the Poets' Corner of Sleepy Hollow. The grave of Emerson is marked by a rough block of pure white quartz, in which is inserted a bronze tablet ...
— America To-day, Observations and Reflections • William Archer

... and glanced over the paper at her listening small daughter. "'To Whom it May Concern: Please take notice that: The name of this claim is the Devil's Lantern Quartz Mining Claim. Said Claim is situated in the—Unsurveyed—Mining District, County of Nye, State of Nevada. Located this twenty-fifth day of September, 19—. This discovery is made and this notice is posted this ...
— Casey Ryan • B. M. Bower

... must have come from a reef before it became embedded in the loose gravel of the stream, the proper way to seek for the reef was to follow up the stream, prospecting wherever there was a sign of sand or gravel in the bed, and keeping a sharp look-out for any outcrop of rock which might contain quartz. The mother-reef whence the gold had been washed must be higher up the stream, he argued, and if once they found that, they would be in possession of more wealth than any of them had ever dreamed of possessing. In the mean time, as they ascended ...
— Colonial Born - A tale of the Queensland bush • G. Firth Scott

... such a way as to cut me off from the sea. I walked from Bormes to the Lavandou upon the coast, and fancied I found the path by which St. Francis journeyed when he landed to save Provence from the plague. It is hollowed out by feet, in some places to three feet deep through the hard quartz and schist, and everywhere at least six inches, so its age is evidently great, and it must have been a path in the days of Saracen domination, if not even in or before the Roman times, for the two villages ...
— The Life of the Rt. Hon. Sir Charles W. Dilke V1 • Stephen Gwynn

... the minutest clover in more open spaces. The baked and cracked adobe soil of the now vanished plains is exchanged for a heavy red mineral dust and gravel, rocks and boulders make their appearance, and at times the road is crossed by the white veins of quartz. It is still the San Leandro turnpike,—a few miles later to rise from this canada into the upper plains again,—but it is also the actual gateway and avenue to the Robles Rancho. When the departing visitors of Judge Peyton, now owner of the rancho, reach ...
— Susy, A Story of the Plains • Bret Harte

... the Van de Werve family, together with the families allied to them, was artistically sculptured in the wood. The emblems and devices were in profusion: lions, wild boars, eagles, ermines, bands and crosses of gold, silver, green, and blue quartz, so numerous and sparkling, that when the noonday sun penetrated into the hall, the eye could with difficulty ...
— The Amulet • Hendrik Conscience

... and thither among the stalwart pines, which were creaking, bending and crashing. Clap after clap of thunder pealed through and from those dismal canyons, vibrating between Nature's slopes of granite, quartz and rock. The din was fearful, rain fell at first, then turned to snow. Just before it became dark I adjusted the front piece of the buggy. My compass was useless. I urged my faithful steeds to faster speed, and at the same time gave them the rein. As I did so, they left the trail. ...
— Dangers of the Trail in 1865 - A Narrative of Actual Events • Charles E Young

... short interval. This is the residual charge. (See Charge, Residual.) Shaking or jarring the dielectric facilitates the complete discharge. This retaining of a charge is a phenomenon of the dielectric, and as such, is termed residual capacity. It varies greatly in different substances. In quartz it is one-ninth what it is in air. Iceland spar (crystalline calcite) seems to have no residual capacity. The action of shaking and jarring in facilitating a discharge indicates a mechanical stress into which the electrostatic polarization of the conductor ...
— The Standard Electrical Dictionary - A Popular Dictionary of Words and Terms Used in the Practice - of Electrical Engineering • T. O'Conor Slone

... which the farmers themselves are unable properly to prepare for market, for want of cool springs or sufficient help. Received here, it is placed in deep but narrow tin pails holding twelve or fourteen quartz. These are floated in large tanks of water. From these pails the cream is carefully taken and sent to market. The skimmed milk is then placed in a large vat and heated, by means of steam pipes to about 80. Then the rennet is put in. From twenty to thirty minutes ...
— Scientific American, Vol.22, No. 1, January 1, 1870 • Various

... hospital, a church, a schoolhouse, and a prosperous mercantile establishment. Here our lads found a large steamer loading with dried fish for Gibraltar, and here Cabot became greatly interested in the rose-tinted quartz that forms so striking a feature ...
— Under the Great Bear • Kirk Munroe

... been received at Washington, D.C., from Key West, Florida, a distance of 900 miles, through a receiving instrument in which two pieces of quartz of different composition were used on the electrodes. In making an instrument of this kind the quartz can be purchased from a dealer in minerals. One piece must contain copper pyrites and the other zincites. The electrodes ...
— The Boy Mechanic: Volume 1 - 700 Things For Boys To Do • Popular Mechanics

... of calamities, so that San Francisco debated what price his Nob Hill palace would fetch at auction, he grubstaked one, Del Nelson, to a prospecting in Mexico. As soberly set down in history, the result of the said Del Nelson's search for quartz was the Harvest Group, including the fabulous and inexhaustible Tattlesnake, Voice, City, Desdemona, Bullfrog, and Yellow Boy claims. Del Nelson, astounded by his achievement, within the year drowned himself in an enormous quantity of cheap whisky, and, the will being incontestible through lack ...
— The Little Lady of the Big House • Jack London

... waste away. They feared lest the evil spirit evoked by the enchantments of an enemy might creep behind them in the night to steal away the renal fat, an organ with which various physiological superstitions were connected. They believed that stones, especially certain kinds of quartz crystals, were means of communication with spirits, with the dead, and also with absent persons. A woman often wore round her neck the phallus extracted from the body of her dead husband. The movements of the sun and moon, ...
— Myth and Science - An Essay • Tito Vignoli

... a little west to-day," Ruth went on, without heeding the brotherly remonstrance, "and struck quartz ...
— The Twins of Table Mountain and Other Stories • Bret Harte

... Acid (Lighter)—rich in silica, poor in iron; containing silica 62-78 per cent. Examples: Trachyte, Rhyolite, Obsidian, Domite, Felsite, Quartz-porphyry, Granite. ...
— Volcanoes: Past and Present • Edward Hull

... in through the quartz and lead wall of his office showed that it was almost time for the ...
— Blind Spot • Bascom Jones

... four times its weight of nitro-glycerine, and should then form a comparatively dry mixture. It should be pale pink, red brown, or white. The pink is generally preferred, and it should be as free as possible from grit of all kinds, quartz particles, &c., and should have a smooth feeling when rubbed between the finger and thumb, and should show a large quantity of diatoms when viewed under the microscope. The following was the analysis of a dried sample of kieselguhr:—Silica, 94.30; magnesia, ...
— Nitro-Explosives: A Practical Treatise • P. Gerald Sanford

... live, When he had learned it, When he had gathered all books had to give! Sooner, he spurned it. Image the whole, then execute the parts— Fancy the fabric 70 Quite, ere you build, ere steel strikes fire from quartz, ...
— Browning's Shorter Poems • Robert Browning

... 'Luncheons,' and box the opera with occasional supper at Delmonico's; and Mr. Congreve will have his Yacht affairs, and Wall Street 'corners' to look after, and will of course spend the majority of his evenings at that fascinating 'Century,' which really is the only thing that your quartz-souled guardian cherishes ...
— Infelice • Augusta Jane Evans Wilson

... still slept. The heather showed burning red against the deep blue of the sky. An anthill stood close beside the sleeper. On it lay a piece of quartz, which sparkled as if it had wished to set fire to all the old stubble of the heath. Above the hunter's head the black-cock feathers spread out like a plume, and their iridescence shifted from deep purple to steely blue. On the unshaded part of his face the burning sunshine glowed. But he did ...
— Invisible Links • Selma Lagerlof

... the same chemical composition, and in all probability the sand of which every sandstone in existence is composed, appeared on this earth in its first solid form in the shape of quartz. Now quartz is a comparatively heavy mineral, so also, therefore, will sand be. It is also very hard, and in these two respects it differs entirely from another product of sedimentary deposition, namely, mud or clay, with which we shall ...
— The Story of a Piece of Coal - What It Is, Whence It Comes, and Whither It Goes • Edward A. Martin

... gold in quartz, there is not very much of it, and much pains has to be spent on the extracting of it. But Nature seems to think it worth her while to fashion these huge useless stones, if in them she may hide away her precious ...
— The Second Thoughts of An Idle Fellow • Jerome K. Jerome

... now they came to cool rills that flowed, softly murmuring, among mossy limestone, or blocks of red or grey granite, wending their way beneath twisted roots and fallen trees; and often Catharine lingered to watch the eddying dimples of the clear water, to note the tiny bright fragments of quartz or crystallized limestone that formed a shining pavement below the stream; and often she paused to watch the angry movements of the red squirrel, as, with feathery tail erect, and sharp scolding note, he crossed ...
— Canadian Crusoes - A Tale of The Rice Lake Plains • Catharine Parr Traill

... back to the cabin and they had hard time restraining their impatience until Mr. Waterman returned. Bob handed him the quartz without any comment. Mr. Waterman took it and after a short examination, ...
— Bob Hunt in Canada • George W. Orton

... region. No timber is found there that deserves the name. No trees but glandular dwarf birches, willows, and black spruce, small and stunted. Even these only grow in isolated valleys. More generally the surface is covered with coarse sand—the debris of granite or quartz-rock—upon which no vegetable, save the lichen or the moss, ...
— Popular Adventure Tales • Mayne Reid

... white saw-teeth of upturned veins of quartz, with Margaret's hand in his, then back for Miss Penny, till they sat looking down into a deep dark basin, almost circular: lined with the most lovely pink and heliotrope corallines: studded with anemones, ...
— Pearl of Pearl Island • John Oxenham

... this the frost-flower when its bloom is ended by autumn? Only the witch-hazel may be said to flower for the first time after frost. When the stubble in the dry fields is white some cold November morning, comparatively few notice the ice crystals, like specks of glistening quartz, at the base of the stems of this plant. The similar HOARY FROST-WEED (H. majus), whose showy flowers appear in clusters at the hoary stein's summit, in June and July, also bears them. Often this ice formation ...
— Wild Flowers, An Aid to Knowledge of Our Wild Flowers and - Their Insect Visitors - - Title: Nature's Garden • Neltje Blanchan

... experience first and to appeal to experience. When we have time, or when the experience is over, a mountain or a masterpiece can be analysed—the worst part of it; but we cannot make a masterpiece by analysing it; and a mountain has never been appreciated by pounding it into trap, quartz, and conglomerate; and it still holds good, as a general principle, that making a man appreciate a mountain by pounding it takes nearly as long as making the mountain, and is not ...
— The Lost Art of Reading • Gerald Stanley Lee

... kvanto. Quarrel malpaco. Quarrel malpaci. Quarry sxtonejo. Quarter (1/4) kvarono. Quarter (district) kvartalo. Quarterly trimonata. Quartern kvarono, kvaronujo. Quartet kvarteto. Quartz kvarco. Quash (repress) premegi. Quash (annul) senigi, nuligi. Quaver trilo. Quay surbordo, bordmarsxejo. Queen regxino. Queer stranga. Quell trankviligi. Quench (extinguish) estingi. Quench (thirst) kvietigi. Querulous malkontenta. Query demando. ...
— English-Esperanto Dictionary • John Charles O'Connor and Charles Frederic Hayes

... power is well known. There are also several special conditions, causing, e. g., the so called hyper-auditive who hear more acutely than normal people. Of course, such assertions as those which cite people who can hear the noise of sulphur rubbed on the poles of quartz crystals and so on are incorrect, but it is certain that a little attention will reveal a surprising number of people whose hearing is far acuter than that of normal individuals. Apart from children, the class is made up of musicians, of young ...
— Robin Hood • J. Walker McSpadden

... the day advanced, the sun rising in the heavens spread over the sea—now escaped from its mists, still with the transparence of quartz—thousands of rays striking the water like arrow-heads, a dazzling sight made doubly so by the whiteness of the rocks and of the soil, by a veritable African sirocco which raised the dust in a whirlwind on the road. They were coming to the hottest and most sheltered places of the Corniche—a ...
— The Nabob • Alphonse Daudet

... in Belgium must be ranked amongst the most important in Europe, and we shall often have occasion to refer to them. Holland, on the other hand, having much of it been under the sea for so long, yields nothing to our researches but a few arrow-heads, hatchets, and knives made of quartz or diorite, and all of ...
— Manners and Monuments of Prehistoric Peoples • The Marquis de Nadaillac

... to obtain from the white men bits of steel and iron, ground them to sharp points, and with them replaced their arrow-heads of flint. Has-se, with great pride, displayed to Rene his javelin or light spear, the tough bamboo shaft of which was tipped with a keen-edged splinter of milk-white quartz, obtained from some far northern tribe. Guests began to arrive, coming from Seloy and other coast villages from the north, and from the broad savannas of the fertile Alachua land, until many hundred of them were encamped within a few miles of ...
— The Flamingo Feather • Kirk Munroe

... though less lasting than it seemed, was given this year to emigration to Australia, by the discovery in the colony of gold in quartz beds, under much the same conditions that the precious metal had been found in California. The diggings, with the chance of a large nugget, became for a time the favourite dream of adventurers. Nay, the dream grew to such an absorbing desire, ...
— Life of Her Most Gracious Majesty the Queen, (Victoria) Vol II • Sarah Tytler

... soon exhausted; and in a few years you will be very glad, for want of something else to do, to meditate upon stones. See now," said Mr. Sievers, picking up a stone, "to what associations does this little piece of quartz give rise! I am already an antediluvian, and instead of a stag bounding by that wood I witness the moving mass of a mammoth. I live in other worlds, which, at the same time, I have the advantage of ...
— Vivian Grey • The Earl of Beaconsfield

... of the silver mines is unknown; but the gold mines of Allaga, and other quartz "diggings," have been discovered, as well as those of copper, lead, iron and emeralds, all of which are in the desert near the Red Sea; and the sulphur, which abounds in the same districts, was not ...
— Museum of Antiquity - A Description of Ancient Life • L. W. Yaggy

... on your way home, just to remind yourself that there are still, in this very modern world of ours, a few passably ancient things,—a well-preserved wooden man, for instance, with eyes of opaque white quartz, a piece of rock crystal in the centre for a pupil. These glittering eyes looked out upon the world from beneath their eyelids of bronze, in the time of Abraham. You will find it in the museum at Cairo. Ride a donkey in the Mooskee if you want real sport; and if you feel a little slack, climb ...
— The Rosary • Florence L. Barclay

... attention was first drawn to geology by seeing the quartz-crystals and chalcedony exposed in the broken chalk-flints, which he, as a boy of ten, used to roll down, in company with his school-fellows, from the walls of Old Sarum. Like Charles Darwin, too, he became an ardent and enthusiastic collector ...
— The Coming of Evolution - The Story of a Great Revolution in Science • John W. (John Wesley) Judd

... the 'Amiral d'Outre l'Arbre Sec,' still it may interest you to know that the currency of 'millstones' existed up to a short time ago, and may do so still, in the island of Yap, in that group. It consisted of various-sized discs of quartz from about 6 inches to nearly 3 feet in diameter, and from 1/2 an inch to 3 or 4 ...
— The Travels of Marco Polo, Volume 2 • Marco Polo and Rustichello of Pisa

... bits and shreds. Much alloy exists with the truth. The gold of nature does not look like gold at the first glance. It must be smelted and refined in the mind of the observer. And one must crush mountains of quartz and wash hills of sand to get it. To know the indications is the main matter. People who do not know the secret are eager to take a walk with the observer to find where the mine is that contains such nuggets, little ...
— A Year in the Fields • John Burroughs

... was curious. Two small stones were taken, one a piece of white quartz, the other a piece of iron-stone, and struck together smartly; the few sparks that flew out were thrown upon a kind of white down, found on the willows, under which was placed a lump of dried moss. ...
— The World of Ice • R.M. Ballantyne

... what I have advanced as the utmost perfection of landscape art—the recent works of Turner—he is welcome to his discovery and his theory. No; Denner-like portraiture would be the endeavor to paint the separate crystals of quartz and felspar in the granite, and the separate flakes of mica in the mica slate,—an attempt just as far removed from what I assert to be great art, (the bold rendering of the generic characters of form in both rocks,) as modern sculpture of lace ...
— Modern Painters Volume I (of V) • John Ruskin

... intense cold. If this be fact, there is a Kilima-njaro 18,000 feet high in Western Africa. The glitter of the white cap has been visible from great distances, and some would explain it by a bare vein of quartz—again, Kilima-njaro. The best time to travel would be in October or November, after the rains; and the Grebo rascals might be paid and ...
— To The Gold Coast for Gold, Vol. II - A Personal Narrative • Richard Francis Burton and Verney Lovett Cameron

... place beautiful?' paled beside 'Is its soil clay?' 'Are its rocks quartz, chalk, or mica schist?' The problem of the archetypal plant was more absorbing than the finest groups of trees. The years of practical life at Weimar, and, above all, the ever-growing interest in science, were the chief factors in this change, which ...
— The Development of the Feeling for Nature in the Middle Ages and - Modern Times • Alfred Biese

... Dudley; and then he burst out with things. Macartney had run that new tunnel as soon as he came and struck quartz that was solid for heaven knew how far, and carrying thick, free gold that assayed incredibly to the ton. The La Chance mine, whose name had been more truth than poetry—for when I made fifty miles of road that cost like the devil, to haul in machinery and a mill it was pitch and toss if we should ...
— The La Chance Mine Mystery • Susan Carleton Jones

... the mass of the people dislike and despise walking. Thoreau said he was a good horse, but a poor roadster. I chant the virtues of the roadster as well. I sing of the sweetness of gravel, good sharp quartz-grit. It is the proper condiment for the sterner seasons, and many a human gizzard would be cured of half its ills by a suitable daily allowance of it. I think Thoreau himself would have profited immensely by it. His diet was too exclusively vegetable. A man cannot live on grass alone. If one has ...
— Winter Sunshine • John Burroughs

... search for fossil shells. The whole soil that I saw was composed of decomposed old volcanic rocks; but I saw no rock but basalt in different stages of decomposition; sometimes it assumed the form of porphyry. I also saw veins of quartz, gypsum, and jasper. On a part of Flagstaff Hill there was a thin stratum of calcareous earth, in which shells are found. My hip was so painful that I could not climb to the point where these were, but an artillery soldier ascended and brought down some, and of these I had several specimens ...
— Journals Of Two Expeditions Of Discovery In North-West And Western Australia, Vol. 2 (of 2) • George Grey

... she stared, far up in the cloud something crept out of the vapor, and hung there like a dull full moon, aloof, majestic, overwhelming, and she realized that she was beholding the peak of Mount Rainier, with the city at its foot like white quartz pebbles at the base of ...
— Free Air • Sinclair Lewis

... in the hills of Habersham, And oft in the valleys of Hall, The white quartz shone, and the smooth brook-stone Did bar me of passage with friendly brawl, And many a luminous jewel lone —Crystals clear or acloud with mist, Ruby, garnet and amethyst— Made lures with the lights of streaming stone In the clefts ...
— The Golden Treasury of American Songs and Lyrics • Various

... having a strike N. 30 degrees W. and a dip 79 degrees W.. These dikes vary in width from three to twenty feet. Half way to the head of the lake is a dike [1] having a total width of eight feet, consisting of a central band of segregated quartz, six feet wide, cut by numerous thin sheets of biotite, which probably mark the planes of shearing. The quartz is bordered on either side by a band of orthoclase,' one foot in width. Between these bands of ...
— The Long Labrador Trail • Dillon Wallace

... Side Cuts, as they are called. These are caves opening on the sides of the avenues; and after running for some distance, entering them again. Some of them exceed half a mile in length; but most generally they are short. In many of them, "quartz, calcedony, red ochre, gypsum, and salts are found." The walking, in this part of the avenue, being rough, we progressed but slowly, until we reached the Salts Room; here we found the walls and ceiling covered with salts hanging in crystals. The least agitation of the ...
— Rambles in the Mammoth Cave, during the Year 1844 - By a Visiter • Alexander Clark Bullitt

... do at all," he said. "Are we going to let Eta Bita Pie be made the laughing-stock of the college? If we can't initiate that human quartz mill by force let's do it by strategy. I've got a plan. You just let me have Ole and one man for an hour and I'll make him so glad to get back to the house that he'll ...
— At Good Old Siwash • George Fitch

... thousand dollars, though I couldn't BORROW anywhere near the full amount on it—but at my death, paid in full, it would satisfy the note. My executors, by instruction would pay the note—and no dollar from the mine, no single grain of gold, not an ounce of quartz, would Markel ever get his hands on, and my wife and children would be ...
— The Adventures of Jimmie Dale • Frank L. Packard

... impressions, not above three or four feet deep, and a vein which runs across near its N. end. It is of that sort of stone called, by mineralogists, Saxum conglutinatum, and consists chiefly of pieces of coarse quartz and glimmer, held together by a clayey cement. But the vein which crosses it, though of the same materials, is much compacter. This vein is not above a foot broad or thick; and its surface is cut into little squares or oblongs, disposed obliquely, which makes it look like ...
— A General History and Collection of Voyages and Travels, Vol. 15 (of 18) • Robert Kerr

... metallurgy. From 1871 to 1882 he was general manager of a wealthy mining company in Colorado at a large salary, making a name for himself as one of the most skillful and successful men in the profession. While in Colorado my father was haunted by an intuitive feeling that the gold-bearing quartz region of Alaska held a rich find in store for him. In October, 1882, a very strong corporation was organized in San Francisco, 'The Alaska Mining Co.,' to open and operate their extensive mines in Alaska. The directors of the company ...
— Solaris Farm - A Story of the Twentieth Century • Milan C. Edson

... live, When he had learned it, When he had gathered all books had to give! Sooner, he spurned it. Image the whole, then execute the parts— Fancy the fabric {70} Quite, ere you build, ere steel strike fire from quartz, Ere mortar ...
— Introduction to Robert Browning • Hiram Corson

... India, Europa Island, Glorioso Islands, Juan de Nova Island, and Tromelin Island (all administered by France) Climate: tropical along coast, temperate inland, arid in south Terrain: narrow coastal plain, high plateau and mountains in center Natural resources: graphite, chromite, coal, bauxite, salt, quartz, tar sands, semiprecious stones, mica, fish Land use: arable land: 4% permanent crops: 1% meadows and pastures: 58% forest and woodland: 26% other: 11% Irrigated land: 9,000 km2 (1989 est.) Environment: ...
— The 1993 CIA World Factbook • United States. Central Intelligence Agency.

... of specimens was exhibited by the Ellenville Zinc Company, consisting of strikingly beautiful crystalline masses of quartz galina, sphalerite and chalcopyrite and specimens of the rare mineral, brookite. There was also shown in the same case concentrates from the Ellenville mine of lead, zinc and copper made both by jigging and by magnetic separation, and a collection of ores and associated ...
— New York at the Louisiana Purchase Exposition, St. Louis 1904 - Report of the New York State Commission • DeLancey M. Ellis

... a peculiar owner's mark of lines carved in the middle, E is a bone-headed bird shaft made by the Indians of the Mackenzie River. F is a war arrow made by Geronimo, the famous Apache chief. Its shaft is three joints of a straight cane. The tip is of hard wood, and on that is a fine quartz point; all being lashed ...
— Two Little Savages • Ernest Thompson Seton

... he said with a laugh, "if all this was rich ore to be powdered up. Fancy, you know—gold a hundredweight to the ton. Rather different to our quartz rock at home, with just a sprinkle of tin ...
— To Win or to Die - A Tale of the Klondike Gold Craze • George Manville Fenn

... possible Consequent Production of Colours Action of Bodies mechanically strained or pressed Action of Sonorous Vibrations Action of Glass strained or pressed by Heat Circular Polarization Chromatic Phenomena produced by Quartz The Magnetization of Light Rings surrounding the Axes of Crystals Biaxal and Uniaxal Crystals Grasp of the Undulatory Theory The Colour and Polarization of Sky-light Generation ...
— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall

... gently over the crater's edge. Many different minerals are found in these rocks—iron, copper, lead, mica, zinc, sulphur. Some pieces are beautiful in color—blue, green, red, yellow. Precious stones have sometimes been found—garnets, topaz, quartz, tourmaline, lapis lazuli. But most of the stone is dull black or brown ...
— Buried Cities: Pompeii, Olympia, Mycenae • Jennie Hall

... the largest room of the cottage. Here their eyes instantly became glued to a great bowl which was piled high with small rose-tinted cubes of some substance which resembled symmetrical and translucent crystals of pink quartz. That was Chaosite enough to blow the entire cliff into smithereens; and they were aware of it, and they eyed it ...
— The Younger Set • Robert W. Chambers

... precious nuggets await the frenzied seekers for wealth. There are no gold-hunters yet in the gorges of these crystal streams. Down in Nature's laboratory, radiated golden veins creep along between feathery rifts of virgin quartz. They are the ...
— The Little Lady of Lagunitas • Richard Henry Savage

... big sheets of this curious mineral which is used in the doors of stoves and the little windows of automobile curtains. With the point of a knife the bits in my piece of granite could be split into tiny sheets as thin as paper. The second material was quartz. This was grayish-white and looked somewhat like glass. The third material was feldspar. This, too, was whitish, but one or two sides of each bit were flat, as if they had not been broken, but split. This is the most common kind of granite. There are many varieties. Some ...
— Diggers in the Earth • Eva March Tappan

... of dream caught her, and, borne across the intervening space, she saw herself in a palace where there were gods and monsters, columns of transparent quartz, floors of malachite, roofs of gold. And there, on a dais, the Caesar lay. Behind him a fan, luminous as a peacock's tail, oscillated to the tinkling of mysterious keys. In his crown was the lividity of uncolored dawns, in his sceptre the dominion ...
— Mary Magdalen • Edgar Saltus

... crystals. Oat and rye grasses were abundant, with plenty of saltbush; at 9.10 crossed to the right bank, and steered 220 degrees to an abrupt headland on the north side of the valley, which was here about two miles wide; the soil a stiff brown loam, with rounded fragments of granite, flinty trap, and quartz, resembling in appearance the French millstone burr; the grass improved, being chiefly of perennial species. After a halt of twenty minutes to take bearings from the hill, at 9.40 steered 200 degrees, and again crossed the river at 11.15, and altered the course ...
— Journals of Australian Explorations • A C and F T Gregory

... while to describe the process of making stopcocks, thermometers, vacuum tubes, etc., as such things can be purchased more cheaply and of much better quality than any amateur can make unless he is willing to spend a very large amount of time in practice. For similar reasons the manipulation of quartz ...
— Laboratory Manual of Glass-Blowing • Francis C. Frary

... lovely specimens of blue and green and golden Labradorite, a striated feldspar with a glorious sheen. Nothing has ever really been done with this from a commercial point of view; moreover, the samples of gold-bearing quartz, of which such good hopes have been entertained, have so far been found wanting also. In my opinion this is merely due to lack of persevering investigation—for one cannot believe that this vast area of land can ...
— A Labrador Doctor - The Autobiography of Wilfred Thomason Grenfell • Wilfred Thomason Grenfell

... at once. He offered to read to her, but she turned her back on him with cold disdain, and he went to the little invisible cupboard where she kept her own jewels and took out the heavy gold box which had been the wedding present of one of his California business friends who owned a quartz mine. ...
— The Avalanche • Gertrude Franklin Horn Atherton

... handful of bits of quartz, brought up into the light from the depths of a sagging pocket. The quartz indicated high-grade ore; it was streaked and ...
— The Desert Valley • Jackson Gregory

... jackknife, a bit of flint-like rock, such as quartz, and some very dry cotton lint—kept for protection in a close box—will do just as well as the manufactured outfit, and it can nearly always be had. If you carry half-charred cotton rags in a box or bottle you will find them of ...
— Healthful Sports for Boys • Alfred Rochefort

... of this part of the country; and we find that the uppermost stratum is the ferruginous conglomerate already mentioned. The matrix is rust of iron (or hydrous peroxide of iron and hematite), and in it are imbedded water-worn pebbles of sandstone and quartz. As this is the rock underlying the soil of a large part of Londa, its formation must have preceded the work of denudation by an arm of the sea, which washed away the enormous mass of matter required before the valley of Cassange could assume its present ...
— Missionary Travels and Researches in South Africa - Journeys and Researches in South Africa • David Livingstone

... on the border with Apaches ain't nothin' to what Nels has seen an' lived through. He's just come to be part of the desert; you might say he's stone an' fire an' silence an' cactus an' force. He's a man, Miss Majesty, a wonderful man. Rough he'll seem to you. Wal, I'll show you pieces of quartz from the mountains back of my ranch an' they're thet rough they'd cut your hands. But there's pure gold in them. An' so it is with Nels an' many ...
— The Light of Western Stars • Zane Grey

... hour he stood at the top. The sky was clear from verge to verge, and the moon flung her rays over the whole heath, but without sensibly lighting it, except where paths and water-courses had laid bare the white flints and glistening quartz sand, which made streaks upon the general shade. After standing awhile he stooped and felt the heather. It was dry, and he flung himself down upon the barrow, his face towards the moon, which depicted a small image of herself in each ...
— The Return of the Native • Thomas Hardy

... from any rock containing some form of combined silica (quartz). Thus, granites and crystalline rocks generally, volcanic rocks, and shales will produce clay if subjected to the proper climatic conditions. In the formation of clay, the extremely fine soil particles are attacked by the soil water and subjected ...
— Dry-Farming • John A. Widtsoe

... not an easy matter to explain the classification of the ore at Almaden. Metal is there called the richest mineral, composed of quartz impregnated with crystalline cinnabar. Requiebro are middlings of medium richness, China are smalls, and Vaciscos the finest ore. Besides native mercury, which the ores of Almaden contain in greater or smaller quantity, the most abundant mineral ...
— Scientific American Supplement, No. 312, December 24, 1881 • Various

... to be raised from a depth of fifteen hundred feet and more. There are between fifty and sixty crushing mills in operation at this writing, reducing the silver-bearing quartz. Two of the mills are operated by Europeans, who use steam power to some extent, but the scarcity of fuel is a serious objection to the employment of steam. We saw scores of mules treading the liquid, muddy mass for amalgamating purposes, driven about in a circle by men ...
— Aztec Land • Maturin M. Ballou

... quartz, water, timber, hydropower, scenic beauty, small deposits of lignite, copper, ...
— The 2001 CIA World Factbook • United States. Central Intelligence Agency.

... Palace," said Maruja, from the top step of the south porch, to a wagonette of guests, "after you've seen the stables with mahogany fittings for one hundred horses, ask Aladdin to show you the enchanted chamber, inlaid with California woods and paved with gold quartz." ...
— Maruja • Bret Harte

... clay pots, or calabashes, and thus a workman at the bottom widens the pit to a pyriform shape; tunnelling, however, is unknown. The excavated earth is carried down to be washed. Besides sinking these holes, they pan in the beds of rivers, and in places collect quartz, which is ...
— To the Gold Coast for Gold - A Personal Narrative in Two Volumes.—Vol. I • Richard F. Burton

... lack of function with regard to that property. It is not even collected into a distinct mass. It graduates insensibly into every other class, it permeates society as threads and veins of gold permeate quartz. It includes the millionaire snob, the political-minded plutocrat, the wealthy sensualist, open-handed religious fanatics, the "Charitable," the smart, the magnificently dull, the great army of timid creatures who tremble through life on a safe bare sufficiency,[23] ...
— Anticipations - Of the Reaction of Mechanical and Scientific Progress upon - Human life and Thought • Herbert George Wells

... been built on a beautiful site at a double bend of the river. Opposite is the French Post of Mobaie and between them roars a rapid. The country on each side is hilly, while the soil is rocky, great boulders of granite and quartz lying about in isolated grandeur. We reach the Post on the morning of September 26th and are met by Captain Auita, an Italian, who is the Zone Chief here. The buildings are arranged on two sides of a square, the other two being formed by the river as it turns to ...
— A Journal of a Tour in the Congo Free State • Marcus Dorman

... received great kindness, she presented a keepsake to Mr. Cormack, and there is something very affecting under the circumstances in which she was placed, as associated with the simple articles of which her present consisted—they were a rounded piece of granite—a piece of quartz—both derived from the soil of which her tribe were once the sole owners and lords, but which were all of that soil she could then call her own; and added to these, was a lock of her hair. This present has now a place in the Museum of the Mechanics' ...
— Lecture On The Aborigines Of Newfoundland • Joseph Noad

... bit of the genuine Gobi—that is, "Sandy Desert"—of the Mongolian, or "Shamo" of the Chinese. Everywhere was the same interminable picture of vast undulating plains of shifting reddish sands, interspersed with quartz pebbles, agates, and carnelians, and relieved here and there by patches of wiry shrubs, used as fuel at the desert stations, or lines of hillocks succeeding each other like waves on the surface of the shoreless deep. The wind, even more than the natural barrenness of ...
— Across Asia on a Bicycle • Thomas Gaskell Allen and William Lewis Sachtleben

... rambled on, ignorant that he had struck a blow in the dark: "When I met up with the original Black Jack, I was slavin' my life away with a pick trying to turn ordinary quartz into pay dirt. Making a fool of myself, that's what I was doing. Along comes Black Jack. He needed a man. He picks me up and takes me along with him. I tried to talk Bible talk. He showed me where I ...
— Black Jack • Max Brand

... Creek. Its average width is about 150 yards, well watered, and full of melaleucas and fallen timber. The country on its north bank down to its junction with the river 20 miles from the junction of Warroul Creek, is broken into ridges of quartz and sand-stone, stony, and poorly grassed. That contained between its south bank and the river, the greatest width of which is not more than three miles, is a basaltic plateau, terminating in precipitous ...
— The Overland Expedition of The Messrs. Jardine • Frank Jardine and Alexander Jardine

... the country where the unhesitating, ungrudging hospitality extended by the rich squatters to their poorer compatriots was ever abused. I say "in our part," because unfortunately, wherever gold is discovered, either in quartz or riverbed, the good old primitive customs and ways die out of themselves in a few weeks, and each mammon-seeker looks with distrust on a stranger. Only fifty or sixty miles from us, as the crow might fly across the snowy range, where an immense Bush clothes the ...
— Station Amusements • Lady Barker

... and menacing, but was stippled with dancing light on a soft, rich blue that was as soothing to the sense as the other had been disquieting. Along the south of White Horse Beach the lapidary surf had strewn quartz pebbles that gleamed in the clear sun like precious stones. It took little effort of the imagination to find pocketfuls of rubies, pearls, sapphires, and amethysts among these, and had it indeed been "bright ...
— Old Plymouth Trails • Winthrop Packard

... kinds of artificial flowers, followed by little boys and girls as gaily dressed as themselves. Here they find all kinds of toys, curios, and articles of general use, from a top to a broom, from bits of jade or other precious stones, to a snuff bottle hollowed out of a solid quartz crystal, or a market basket or ...
— Court Life in China • Isaac Taylor Headland

... and south-west provinces placer gold mines by the banks of watercourses are worked by Gallas as an industry subsidiary to tending their flocks and fields. In the Wallega district are veins of gold-bearing quartz, mined to a certain extent. There are also gold mines in southern Shoa The annual output of gold is worth not less than L. 500,000. Only a small proportion is exported. Besides gold, silver, iron, coal and other minerals are found. Rock-salt ...
— Project Gutenberg Encyclopedia

... followed the critical fashion of the day, he was praised into regarding as a masterpiece. He was continually polishing it, and during his lifetime it was reissued with frequent variations. It is polished quartz, not diamond; a short piece of about 360 lines, which has something to say of each of the chief forms of poetry, from songs to epics. Sheffield shows most natural force in writing upon plays, and here in objecting to perfect characters, he struck ...
— The Spectator, Volumes 1, 2 and 3 - With Translations and Index for the Series • Joseph Addison and Richard Steele

... species of rock occurs more abundantly in the embedded pebbles of this ancient conglomerate than rocks of the trap family. We find in it trap-porphyries, greenstones, clinkstones, basalts, and amygdalolds, largely mingled with fragments of the granitic, clay-slate, and quartz rocks. The Plutonic agencies must have been active in the locality for periods amazingly protracted; and many of the masses protruded at a very early time seem identical in their composition with rocks of the trap family, which in other parts of the country ...
— The Cruise of the Betsey • Hugh Miller

... every one is presumed to have read. I will content myself with a weird Irish legend, narrated by Mr. Patrick Kennedy, [128] in which we here and there catch glimpses of the primitive mythical symbols, as fragments of gold are seen gleaming through the crystal of quartz. ...
— Myths and Myth-Makers - Old Tales and Superstitions Interpreted by Comparative Mythology • John Fiske

... answered the girl in great agitation. "Oh! I wish you had left me to my fate, and that we had shared the lot of our parents, for what threatens us here is more frightful than having to sift gold-dust in the scorching sun, or to crush quartz in mortars. I did not come to you to speak about the Roman, but to tell you what the high-priest had just disclosed to me ...
— Uarda • Georg Ebers

... serenest and divinest light is the human reason, and that we must investigate the Bible as we do other books. At least, I suppose he has reached some such conclusion. He may imagine that the pure gold of inspiration still runs through the quartz and porphyry of ignorance and mistake, and that all we have to do is to extract the shining metal by some process that may be called theological smelting; and if so I have no fault to find. Dr. Briggs has taken a step in advance—that ...
— The Works of Robert G. Ingersoll, Volume VIII. - Interviews • Robert Green Ingersoll

... of calcareous spar, principally due to fragments of crinoidea. At a lower part in the same rock, less compact, I found a beautiful chalcedonic cast, apparently of a terebra. The calcareous sandstone consisted of grains of quartz cemented by calcareous spar, and contained fragments of shells of the ...
— Three Expeditions into the Interior of Eastern Australia, Vol 1 (of 2) • Thomas Mitchell

... Wright has taken numerous shadow pictures of the human hand, showing the bones within, and he has made a great number of experiments in photographing various metals and different varieties of quartz and glass, with a view to studying characteristic differences in the shadows produced. A photograph of the latter sort is reproduced on page 401. Aluminium shows a remarkable degree of transparency to the Roentgen ...
— McClure's Magazine, Vol. 6, No. 5, April, 1896 • Various

... Then, brought out from the shadow, the sunlight shone and glistened on the particles of sand that adhered to it. Particles adhered to my skin—thousands of years between finger and thumb, these atoms of quartz, and sunlight shining all that time, and flowers blooming and life glowing in all, myriads of living things, from the cold still limpet on the rock to the burning, throbbing heart of man. Sometimes I found them among the ...
— Field and Hedgerow • Richard Jefferies

... the varieties of three minerals, which are very commonly met with in greater or less abundance in mineralogical trips: they are of calcite, steatite, and quartz. They occur in so many modifications of form, color, and condition that one might speedily form a cabinet of these, if they were taken when met with, and imagine it to be of great value. The first of these is calcite. It occurs as marble, limestone; calcspar, dogtooth spar, nail head ...
— Scientific American Supplement, No. 344, August 5, 1882 • Various

... now been three days in the interior of the Dodja Plant. I can confidently state that I found no water, though there was evidence of large deposits of salt, which could be worked at an immense profit. The gold is abundant. I have crushed ten tons of quartz with my own hands, and found the yield in florins extraordinary. The natives guard the mouth of the mine. Please relieve promptly. My ...
— Punch, Or The London Charivari, Vol. 101, November 7, 1891 • Various

... said. "But ther', it's the way wi' youse fellers. You see a chunk o' gold an' you don't see the quartz stickin' around it. Here, I'll put a hundred an' seventy-six credit an' the rest cash. I ...
— The Golden Woman - A Story of the Montana Hills • Ridgwell Cullum

... and putting it on the table, turned up the lamp, and unfastened the straps; it was filled with pieces of rough weather-worn quartz thickly impregnated with gold. The largest piece contained more gold than quartz, and an involuntary cry of astonishment and admiration burst from his lips as he held it ...
— In The Far North - 1901 • Louis Becke

... lost, is so simple as to need but little explanation. Brown in this instance has probably no mythologic significance, but refers to the color of the stone used in the ceremony. This is a small rounded water-worn pebble, in substance resembling quartz and of a reddish-brown color. It is suspended by a string held between the thumb and finger of the shaman, who is guided in his search by the swinging of the pebble, which, according to their theory, will swing farther in the direction of the lost article than in the ...
— Seventh Annual Report • Various

... brought up from the mine. We discover and secure some fine specimens of the metal; sundry of the knowing ones, after mysterious interviews with rascally-looking miners, appear with curious bits of pure silver ore mingled with crystals of quartz and tinted with tiny specks of copper. These, being the most valuable curiosities of the region, are usually secreted by the miners for the purpose of ...
— Atlantic Monthly Volume 7, No. 39, January, 1861 • Various

... [Instruments for the measurement of time]; clock, wall clock, pendulum clock, grandfather's clock, cuckoo clock, alarm clock, clock radio; watch, wristwatch, pocket watch, stopwatch, Swiss watch; atomic clock, digital clock, analog clock, quartz watch, water clock; chronometer, chronoscope[obs3], chronograph; repeater; timekeeper, timepiece; dial, sundial, gnomon, horologe, pendulum, hourglass, clepsydra[obs3]; ghurry[obs3]. chronographer[obs3], chronologer, chronologist, timekeeper; ...
— Roget's Thesaurus

... was said to be thirty-five miles off. In the first two miles we passed over some soft ground. Further on, hills were visible to the left, which our native guides called Goodeingora. Fragments of conglomerate rocks appeared in the soil of the plains, pebbles and grains of quartz cemented by felspar. These plains appeared to become undulating ground as we proceeded northward, and the surface became firmer. At length the country opened into slight undulations, well clothed with grass, and good for travelling over, the ...
— Journal of an Expedition into the Interior of Tropical Australia • Thomas Mitchell

... shown me, some as heavy as four or five ounces in weight; and I send three pieces, labelled No. 5, presented by a Mr. Spence. You will perceive that some of the specimens accompanying this hold mechanically pieces of quartz—that the surface is rough, and evidently moulded in the crevice of a rock. This gold cannot have been carried far by water, but must have remained near where it was first deposited from the rock that once bound it. I inquired of many if they had encountered the metal ...
— What I Saw in California • Edwin Bryant

... dirt down into a sluice or trough below. This had bars nailed across, and water running through carried the dirt away while the gold dropped into the crevices between the bars." This method of mining and also quartz mining, that is, digging gold and other metals from rock, is ...
— History of California • Helen Elliott Bandini

... the development of a new country are the finding and prospecting for mineral deposits. The discovery of large deposits of gold in the quartz and alluvial area of British Columbia in 1858 was the incipiency of the growth and prosperity it now enjoys. But although the search for the precious is alluring, the mining of the grosser metals and minerals, such as iron, lead, coal, ...
— Shadow and Light - An Autobiography with Reminiscences of the Last and Present Century • Mifflin Wistar Gibbs

... are called, occupy the whole of Capo Corso and the east of the island. They consist of talcose-schiste, bluish-grey limestone, talc in beds, serpentine, black marble similar to the oldest in the Alps, quartz, ...
— Rambles in the Islands of Corsica and Sardinia - with Notices of their History, Antiquities, and Present Condition. • Thomas Forester

... Men cannot mine a lode of precious ore without leaving many traces behind to tell of their presence. And the stream of clear water that passed across the place seemed to offer a splendid chance for panning any golden treasure that might be found in the shape of soft quartz. ...
— The Saddle Boys of the Rockies - Lost on Thunder Mountain • James Carson



Words linked to "Quartz" :   silicon dioxide, quartz crystal, atomic number 14, amethyst, quartz lamp, lechatelierite, calcedony, silicon oxide, quartz battery, cairngorm, common topaz, rock crystal, false topaz, sunstone, silicon, quartz glass, citrine, quartz mill, silica, mineral, quartz oscillator, transparent quartz, chalcedony, crystal, aventurine



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