Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.62-4.33-9999
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
Indiscernible
None
Mohs Hardness
7-7.53-4
2
10
👆🏻
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite