Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
3.90-4.002.93-2.96
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
3-3.53.5-4
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references