Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-3.903.85-3.94
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
{010} Good, {100} Distinct
Mohs Hardness
3.5-45-5.5
2
10
👆🏻
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)