About gemdatID
Zoisite (Var: Tanzanite)
Specimen ID:
BM-73J-JQ
Gem(s)
Zoisite
(Var:
Tanzanite
) :
{Ca
2
}{Al
3
}(Si
2
O
7
)(SiO
4
)O(OH)
Locality
Mindat locality:
Tanzania
Dimensions
weight: 1.65 carats
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Description
Medium to deep blue with a hint of violet. Brilliant. Measurements: 8.03 x 4.97 x 4.99 mm.
Previous data
Mineral(s)
Tanzanite
Jolyon Ralph
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3,420 gemdatids have been issued as of 15th Mar 2026 4:17 pm UTC