Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.05-5.225.9-6.3
1
7.18
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Fracture
Uneven
Conchoidal, Uneven
Cleavage
None
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
5.5-64.5-5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references