Tenacity
Brittle
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.033.25
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
-
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Imperfect in one direction
Mohs Hardness
6-75-5.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)