Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.26-9999
1
7.18
👆🏻
Fracture
Splintery, Uneven
-
Cleavage
{110} perfect
None
Mohs Hardness
5-63-4
2
10
👆🏻
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite