Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.95-4.10
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
None
Mohs Hardness
3-4-9999
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)