Tenacity
Brittle
Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
3.90-4.004.6-4.76
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Perfect on {0001}
Mohs Hardness
3-3.5-9999
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references