1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.1 Durability
Not Available
Not Available
1.4 Specific Gravity
2.62-2.653.16-3.23
1
7.18
1.6 Fracture
Gemstones of the world (2001)
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
1.7 Cleavage
001
[0001] indistinct, [1010] indistinct
1.8 Mohs Hardness
1.11 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references