1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.506.50-7.00
1
7.18
1.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Irregular, Brittle, Conchoidal
1.6 Cleavage
Not Available
On {011}, distinct; on {001}, {013}, indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
PbMoO 4Walter Schumann , Gemstones of the world (2001)