Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.50-5.904.32-4.48
1
7.18
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Fracture
Conchoidal
Uneven, Subconchoidal, Conchoidal
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
{101}, good; {010}, poor
Mohs Hardness
43.5
2
10
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Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)