Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.08-2.16-9999
1
7.18
👆🏻
Fracture
Irregular/uneven
-
Cleavage
distinct/good on {1011}
None
Mohs Hardness
4.53-4
2
10
👆🏻
Chemical Composition
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite