Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-3.952.56-2.60
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann
Cleavage
1,1 basal.
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8