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
1.5 Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
[001] perfect; [100] distinct
Indistinct on {001}; partings on {011} and {111}
1.7 Mohs Hardness
1.8 Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references