Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.83-3.89
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
None
Perfect on {01 1 1}
Mohs Hardness
3-43.5-4.5
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references