Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.90-4.006.50-7.00
1
7.18
👆🏻
Fracture
Conchoidal
Irregular, Conchoidal
Cleavage
Perfect on {001}, good on {210}, poor on {010}
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
3-3.53
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbMoO 4Walter Schumann , Gemstones of the world (2001)