Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.90-4.004.80-4.90
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {001}, good on {210}, poor on {010}
{010} Indistinct
Mohs Hardness
3-3.56-6.5
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references