Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.00-4.625.50-5.90
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
Indistinct parting on [111]
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
7.5-84
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)