Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.56-2.603.0-3.1
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
-
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Perfect on {001}
Mohs Hardness
6-6.53.5
2
10
👆🏻
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Ca(Mg,Al)3(Al3Si)O10(OH)2