1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.7 Specific Gravity
2.40-2.502.62-2.65
1
7.18
1.10 Fracture
Not Available
Gemstones of the world (2001)
1.11 Cleavage
1.12 Mohs Hardness
1.13 Chemical Composition
Not Available
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8