Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.56-2.602.90-3.38
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Splintery
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
1 or 2,2 prismatic.
Mohs Hardness
6-6.56-7
2
10
👆🏻
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6