1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.3 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.6 Specific Gravity
2.44-2.622.55-2.63
1
7.18
1.7 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Uneven, Uneven, Gems
1.8 Cleavage
Not Available
{001} Perfect, {010} Good
1.9 Mohs Hardness
1.13 Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
KAlSi 3O 8Arthur Thomas , Gemstones (2009)