Tenacity
-
Brittle
Solubility
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.305.85-6.15
1
7.18
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Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Fair in four directions forming octahedrons
Mohs Hardness
6-6.53.5-4
2
10
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Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references