Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.42-2.582.56-2.60
1
7.18
👆🏻
Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann
Cleavage
[010] perfect
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
4-56-6.5
2
10
👆🏻
Chemical Composition
AlPO4 · 2(H2O)
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8