Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.55-2.632.34-2.51
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
{001} Perfect, {010} Good
None
Mohs Hardness
6-6.5-9999
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O