Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.05-3.21-9999
1
7.18
👆🏻
Fracture
-
-
Cleavage
None
None
Mohs Hardness
7-7.53-4
2
10
👆🏻
Chemical Composition
(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite