"Pyritical" Quotes from Famous Books
 ... temperature equal to 93 degrees. Are these pure waters produced by condensed vapours?) How can we explain the origin of the sulphuretted hydrogen? It cannot proceed from the decomposition of sulphurets of iron, or pyritic strata. Is it owing to sulphurets of calcium, of magnesium, or other earthy metalloids, contained in the interior of our planet, under its ...
— Equinoctial Regions of America V2 • Alexander von Humboldt |
