Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.48-3.602.60-2.65
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Conchoidal
Uneven, Conchoidal
Cleavage
Distinct on [110], parting on {221}
Perfect on {001}, very good on {010}, imperfect on {110}
Mohs Hardness
5-5.56-6.5
2
10
👆🏻
Chemical Composition
CaTiSiO5
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)