Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.05-3.08
1
7.18
👆🏻
Fracture
-
Subconchoidal, Uneven, Conchoidal
Cleavage
None
Poor on {100}
Mohs Hardness
3-45
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)