Tenacity
-
-
Solubility
Partly soluble in HCl.
-
Durability
-
-
Specific Gravity
3.32-3.436.30-6.39
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
[001] good, [210] distinct
Mohs Hardness
5.5-63-3.5
2
10
👆🏻
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references