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Ch. 7: Quartz Group - Opal, Rock Crystals, Amethysts, Rose Quartz, Agate, etc.

Ch. 7: Quartz Group - Opal, Rock Crystals, Amethysts, Rose Quartz, Agate, etc. Page of 364 Ch. 7: Quartz Group - Opal, Rock Crystals, Amethysts, Rose Quartz, Agate, etc. Text size:minus plus Restore normal size   Mail page  Print this page
UNITED STATES, CANADA AND MEXICO
121
sibly as fine transparent opalescent rose quartz as has ever been found was obtained at Round Mountain, Albany, Me., in pieces free from all flaws and of a fine rose-red, with a beautiful, milky opalescence, measuring 4 by 5 inches in size. A sphere 2 inches in diameter, a small dish, and other objects have been cut from this material. A vinaigrette or scent bottle was made from the rock crystal found in Ashe County, N. C, and exhibited at the World's Fair, held in Paris in 1889. (See Fig. 6.) A beauti­ful opalescent quartz has been found in Stokes County, N. C. Rose quartz is found in many localities in the granites of Colo-
rado, also in fine specimens at the head of Roaring Fork, near Clear Creek, and on Bear Creek. It is mentioned by Hoffmann as found at Tuscarora, Moray, Carlin, and Silver Peak, Nev.; and by Sweet as occurring in crystals from Grand Rapids, Wood County, Wis.
Aventurine quartz has not been observed in the United States in fine specimens, although mentioned by Dr. Frederic M. Endlich as occurring on Elk Creek, Col. Prof. John Collett, of Indianapolis, found a few small specimens of white aventurine quartz pebbles in the drift near Indianapolis, Ind., in 1885. From near Fairfax County, Va., James W. Beath obtained a quantity of quartz with many alternate green and white veinings, the green
Ch. 7: Quartz Group - Opal, Rock Crystals, Amethysts, Rose Quartz, Agate, etc. Page of 364 Ch. 7: Quartz Group - Opal, Rock Crystals, Amethysts, Rose Quartz, Agate, etc.
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