Tenacity
-
Brittle
Solubility
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.302.60-2.65
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Perfect on {001}, very good on {010}, imperfect on {110}
Mohs Hardness
6-6.56-6.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)