Tenacity
Flexible
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
4.6-4.766.86-7.03
1
7.18
👆🏻
Fracture
-
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
Perfect on {0001}
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
-99996-7
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references