Tenacity
Brittle
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.033.1
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Perfect {010} imperfect {100}
Mohs Hardness
6-76-7
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)3(OH)