Tenacity
-
Brittle
Solubility
insoluble in common solvents
-
Durability
-
-
Specific Gravity
2.653.90-4.00
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
Indiscernible
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
73-3.5
2
10
👆🏻
Chemical Composition
SiO2
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references