Tenacity
-
-
Solubility
-
Insoluble in acids
Durability
-
-
Specific Gravity
3.23-3.264.20-4.30
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect on {010} imperfect on {100}
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
6.5-76-6.5
2
10
👆🏻
Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)