Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.56-2.603.19-3.56
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
{110} Perfect, {010} Indistinct
Mohs Hardness
6-6.55.5-6
2
10
👆🏻
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)