Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.14-9999
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
{1011} Indistinct
None
Mohs Hardness
-99993-4
2
10
👆🏻
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite