1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Uneven, Brittle
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Perfect on [100], [010], [001]
[001] good, [210] distinct
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references