Tenacity
Brittle
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.69-3.814.3-5
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Irregular/uneven
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
Mohs Hardness
8.53-3.5
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
BaSO4