Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.19-3.563.70-3.95
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
{110} Perfect, {010} Indistinct
1,1 basal.
Mohs Hardness
5.5-63.5-4
2
10
👆🏻
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)