1 Physical Properties
1.2 Tenacity
Not Available
Not Available
1.3 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.5 Specific Gravity
2.62-2.652.97-3.14
1
7.18
1.9 Fracture
Gemstones of the world (2001)
Uneven, Conchoidal, Brittle
1.10 Cleavage
1.11 Mohs Hardness
1.13 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)