Tenacity
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.70-3.953.25-3.35
1
7.18
👆🏻
Fracture
-
Conchoidal, ConchoidalWalter Schumann
Cleavage
1,1 basal.
Perfect in three directions
Mohs Hardness
3.5-45
2
10
👆🏻
Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references