Tenacity
-
-
Solubility
Insoluble: HCl
-
Durability
-
-
Specific Gravity
3.61-3.685.5
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
[10 1 1] poor
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6-6.55-5.5
2
10
👆🏻
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references