Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.50-5.905.9-6.3
1
7.18
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Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
44.5-5
2
10
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Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references