Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.00-4.625.9-6.3
1
7.18
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Fracture
Conchoidal, Uneven
Conchoidal, Uneven
Cleavage
Indistinct parting on [111]
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
7.5-84.5-5
2
10
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Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references