Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
6.50-7.003.16-3.43
1
7.18
👆🏻
Fracture
Irregular, Conchoidal
Uneven, Conchoidal
Cleavage
On {011}, distinct; on {001}, {013}, indistinct
{110} Good, {110} Good
Mohs Hardness
35-6
2
10
👆🏻
Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)