AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Tanzania > Tanzanite Crystal (blue gem variety of the mineral Zoisite) |
DESCRIPTION: | No. 78997 |
Mineral: | Tanzanite Crystal (blue gem variety of the mineral Zoisite) |
Locality: | Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania (Type Locality for Tanzanite) |
Description: | Lustrous transparent tanzanite crystal, the trichroic transparent blue-violet gem variety of the mineral zoisite, with good color and clarity, especially in the upper third. This tanzanite crystal shows color change when rotated: front=blue, side=violet. Weight: 11.56 carats |
Overall Size: | 17x9x8 mm |
Crystals: | 17 mm |
Archived: | For reference only |
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