Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.24-2.296.30-6.39
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Conchoidal
Cleavage
Very poor [100]
[001] good, [210] distinct
Mohs Hardness
5-5.53-3.5
2
10
👆🏻
Chemical Composition
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references