1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Brittle, Metallic, Brittle, Metallic
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
[001] perfect; [100] distinct
1.7 Mohs Hardness
1.8 Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)