Tenacity
-
Sectile
Solubility
-
-
Durability
-
-
Specific Gravity
2.56-2.603.06
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Sectile
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Perfect on {010}; poor on {100} and { 1 02}.
Mohs Hardness
6-6.5-9999
2
10
👆🏻
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Co3(AsO4)2•8(H2O)