"Chalcedony" Quotes from Famous Books
... Avanturine is a beautiful variety of quartz, of a rich brown colour, which, from a peculiarity of texture, appears filled with bright spangles. Small crystals of quartz, tinged with iron, are found in Spain, and have been termed hyacinths of Compostella. Flint, chalcedony, carnelian, onyx, sardonyx, and bloodstone, or heliotrope, and the numerous varieties of agates, are principally composed of quartz, ... — The Mirror of Literature, Amusement, and Instruction, Vol. 20, - Issue 560, August 4, 1832 • Various |