1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Uneven
Irregular, Brittle, Conchoidal
1.6 Cleavage
{110} Good
On {011}, distinct; on {001}, {013}, indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
PbMoO 4Walter Schumann , Gemstones of the world (2001)