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
Irregular, Brittle, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery
1.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
perfect along {110}.
1.7 Mohs Hardness
1.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.