Tanzanite

Unknown Owner

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This tanzanite crystal exhibits super clarity, and is exceptionally sharp. For a crystal of such size and gemminess, I think the price is pretty fair It weighs about 18 grams and several nice stones could easily be cut from the gemmier top half in particular. The blue color is vivid, and present on both axes which is unusual (in other words, it doesn't have tne usual blue/purple dichroism on a and b axes). With production waning in Tanzania, as of 2005 here, specimens of this quality have already become scarce.