Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.653.48-3.60
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Sub-Conchoidal, Conchoidal
Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
Distinct on [110], parting on {221}
Mohs Hardness
6-6.55-5.5
2
10
👆🏻
Chemical Composition
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
CaTiSiO5