1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
insoluble in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.69-3.812.51-2.63
1
7.18
1.8 Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
Fibrous
1.9 Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Not Available
1.10 Mohs Hardness
1.12 Chemical Composition
BeAl 2 O 4
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)