Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.255.35
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Imperfect in one direction
Perfect on {100}, imperfect on {001}
Mohs Hardness
5-5.52.5
2
10
👆🏻
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)