1 Physical Properties
1.1 Tenacity
1.4 Solubility
Insoluble in acids
Not Available
1.7 Durability
Not Available
Not Available
1.9 Specific Gravity
4.20-4.303.20-3.25
1
7.18
3.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
3.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Good/distinct on [210]
3.7 Mohs Hardness
3.12 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references