Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.56-2.603.70-3.95
1
7.18
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Fracture
Uneven, ConchoidalWalter Schumann
-
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
1,1 basal.
Mohs Hardness
6-6.53.5-4
2
10
👆🏻
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)