Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.00-3.15
1
7.18
👆🏻
Fracture
-
-
Cleavage
None
Indistinct
Mohs Hardness
3-45-5.5
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)