Gemmology
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Tanzanite — specimens [gallery view]


A variety of zoisite with a blue to blue-violet colour. Nearly all tanzanites on the market have been heat-treated to produce this colour. First reported from the Merelani, Lelatema Mts, Manyara, Tanzania.
Tanzanite — specimen 0235
0235
Tanzania
Tanzanite — specimen 0363
0363
Tanzania
Tanzanite — specimen 0383
0383
Tanzania
Tanzanite — specimen 0220
0220
Tanzania
Tanzanite — specimen 0281
0281
Tanzania
Tanzanite — specimen 0460
0460
Tanzania

Tanzanite — specimens — 6
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