1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Irregular/uneven
1.6 Cleavage
Perfect on {100}, imperfect on {001}
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
1.7 Mohs Hardness
1.8 Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available