Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
6.50-7.002.32-2.38
1
7.18
👆🏻
Fracture
Irregular, Conchoidal
ConchoidalWalter Schumann
Cleavage
On {011}, distinct; on {001}, {013}, indistinct
None
Mohs Hardness
35.5
2
10
👆🏻
Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)