Tenacity
Brittle
Brittle
Solubility
insoluble
Soluble
Durability
-
-
Specific Gravity
6.86-7.034.1-4.3
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Indistinct on {011}
Mohs Hardness
6-73.5-4
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuFeS 2Anthony et al , Handbook of mineralogy (2001)