1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.5 Solubility
Not Available
Not Available
1.7 Durability
Not Available
Not Available
1.8 Specific Gravity
1.9 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
Not Available
1.10 Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
None
1.11 Mohs Hardness
1.12 Chemical Composition
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)