Tenacity
-
-
Solubility
insoluble in common solvents
-
Durability
-
-
Specific Gravity
2.652.56-2.60
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann
Cleavage
Indiscernible
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
76-6.5
2
10
👆🏻
Chemical Composition
SiO2
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8