Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.56-2.602.79
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
-
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
{100} and {010} perfect
Mohs Hardness
6-6.56
2
10
👆🏻
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.