1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.6 Specific Gravity
1.8 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Splintery, Brittle, Metallic
1.10 Cleavage
Perfect on {100}, imperfect on {001}
[100] perfect [010] imperfect with 79° angle between
1.12 Mohs Hardness
1.14 Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available