Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-3.903.95-4.10
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
3.5-43.5-4
2
10
👆🏻
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references