1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.633.05-3.08
1
7.18
1.5 Fracture
Uneven, Uneven, Gems
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
1.6 Cleavage
{001} Perfect, {010} Good
None
1.7 Mohs Hardness
1.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)