Tenacity
-
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
4.00-4.626.86-7.03
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
Indistinct parting on [111]
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
7.5-86-7
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references