1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Insoluble: HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect on {100}, imperfect on {001}
[10 1 1] poor
1.7 Mohs Hardness
1.8 Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references