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
2.54-2.613.05-3.08
1
7.18
1.9 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, Uneven, Conchoidal, Uneven
1.10 Cleavage
{001} Perfect, {010} Good
Poor on {100}
1.11 Mohs Hardness
1.12 Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)