Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.69-2.796.30-6.39
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Poor on {0001}
[001] good, [210] distinct
Mohs Hardness
5.5-6.53-3.5
2
10
👆🏻
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references