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Benitoite Basic Properties Table
Chemical Formula | Barium titanium silicate BaTi(Si3O9) |
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Color | Light blue, dark blue |
Hardness | 6 - 6.5 on the Mohs scale |
Crystal System | Trigonal |
Refractive Index | 1.757-1.804 |
Cleavage |
None |
Specific Gravity (SG) |
3.65-3.68 |
Transparency |
Transparent, translucent |
Fracture | Conchoidal, brittle |