Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
4.3-53.05-3.08
1
7.18
👆🏻
Fracture
Irregular/uneven
Subconchoidal, Uneven, Conchoidal
Cleavage
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
Poor on {100}
Mohs Hardness
3-3.55
2
10
👆🏻
Chemical Composition
BaSO4
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)