1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.1 Solubility
Not Available
Not Available
1.1 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available2.56-2.60
1
7.18
1.15 Fracture
Not Available
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.16 Cleavage
Not Available
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
1.17 Mohs Hardness
1.23 Chemical Composition
Not Available
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8