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Ch. 2: Sapphire, Ruby, Oriental Topaz, ... Spinel

Ch. 2: Sapphire, Ruby, Oriental Topaz, ... Spinel Page of 364 Ch. 3: Turquoise Text size:minus plus Restore normal size   Mail page  Print this page
UNITED STATES, CANADA AND MEXICO
53
color, inclining to a topaz-yellow, while some are of a slightly brownish tint. They closely approach topaz in appearance, and would afford gems as fine as any yet obtained. The best of these specimens are in the cabinets of Dr. Isaac Lea and Joseph Wilcox, of Philadelphia, Pa. At the emery mines of Chester, Mass., have been found masses of small crystals, which might be cut into minute cabinet gems. Joseph C. Trautwine, of Phila­delphia, obtained some minute acicular crystals in a cavity of massive corundum at the Culsagee Mine in North Carolina. Gen. Thomas L. Clingman also observed the mineral associated with blue corundum near Marshall, Madison County, N. C.
Ch. 2: Sapphire, Ruby, Oriental Topaz, ... Spinel Page of 364 Ch. 3: Turquoise
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