Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.55-2.633.19-3.56
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
{001} Perfect, {010} Good
{110} Perfect, {010} Indistinct
Mohs Hardness
6-6.55.5-6
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)