Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
6.30-6.393.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
[001] good, [210] distinct
perfect along [010] and [100]
Mohs Hardness
3-3.53.5-4
2
10
👆🏻
Chemical Composition
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references