Tenacity
Brittle
Brittle
Solubility
Soluble
-
Durability
-
-
Specific Gravity
4.3-53.90-4.00
1
7.18
👆🏻
Fracture
Irregular/uneven
Conchoidal
Cleavage
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
3-3.53-3.5
2
10
👆🏻
Chemical Composition
BaSO4
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references