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Ch. 8: Spodumene (Hiddenite), Smaragdite, Iolite, ... Lapis Lazuli

Ch. 8: Spodumene (Hiddenite), Smaragdite, Iolite, ... Lapis Lazuli Page of 364 Ch. 8: Spodumene (Hiddenite), Smaragdite, Iolite, ... Lapis Lazuli Text size:minus plus Restore normal size   Mail page  Print this page
UNITED STATES, CANADA AND MEXICO
155
of the combination being very pleasing, although it does not ad­mit of a high polish.
Vesuvianite or idocrase that would yield small gems has been found at Phippsburgh, Me. A beautiful wine-colored variety is mentioned as occurring near Hope, Bucks County, Pa. About a mile and a half from Sanford, Me., idocrase occurs in unlimited quantities, one ledge, fully 30 feet wide, being made up entirely of massive idocrase, associated with quartz and occasionally with cal­cite, which fills the cavities containing the crystals. Some of the crystals are 7 inches long, and occasionally the smaller ones would afford fair gems. Idocrase is mentioned by Dr. Frederic M.
VESUVIANITE
Endlich as occurring in large crystals on Mount Italia, Col., and north of the Arkansas River, in granite. This mineral, which was named vesuvianite by mineralogists, from the fact that it was first found in the lava at Vesuvius, splendidly crystallized, is sold by Neapolitan jewlers, and used to make the letters I and V in the manufacture of initial pieces of jewelry, in which some word or sentiment is spelled out, the initial of each letter being represented by a precious stone. Near Amity, Orange County, N. Y., is found a dark yellowish-brown variety, which, on the supposition of its being a new mineral, was named xanthite by Doctor Thompson ; it has been found transparent enough to cut
Ch. 8: Spodumene (Hiddenite), Smaragdite, Iolite, ... Lapis Lazuli Page of 364 Ch. 8: Spodumene (Hiddenite), Smaragdite, Iolite, ... Lapis Lazuli
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