Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.34-2.512.55-2.63
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
{001} Perfect, {010} Good
Mohs Hardness
-99996-6.5
2
10
👆🏻
Chemical Composition
SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O
KAlSi 3O 8Arthur Thomas , Gemstones (2009)