DESCRIPTION: | No. 81563
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Mineral: | Tanzanite (blue-violet gem variety of Zoisite)
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Locality: | Karo Mine, Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite) |
Description: | Large lustrous transparent tanzanite crystal, the trichroic blue-violet gem variety of zoisite, with transparent gemmy termination and distinct darker blue zone through the middle. The tanzanite crystal shows slight color change: front=blue, side=violet. Collected ca. 2010. Weight: 16.0 grams (80 carats) |
Overall Size: | 42x17x11 mm |
Crystals: | 42 mm |
Archived: | For reference only |