Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.40-4.202.56-2.60
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann
Cleavage
Indistinct
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
-99996-6.5
2
10
👆🏻
Chemical Composition
Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8