Tenacity
-
Brittle
Solubility
Insoluble: HCl
-
Durability
-
-
Specific Gravity
3.61-3.682.90-2.98
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
[10 1 1] poor
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
6-6.57.5-8
2
10
👆🏻
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references