Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
6.30-6.392.97-3.03
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
[001] good, [210] distinct
{001} Poor
Mohs Hardness
3-3.57
2
10
👆🏻
Chemical Composition
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references