Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.12
1
7.18
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Fracture
-
Uneven
Cleavage
None
None
Mohs Hardness
3-4-9999
2
10
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Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)