Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99992.59-2.60
1
7.18
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Fracture
-
-
Cleavage
None
{001} Perfect, {110} Distinct, {101} Distinct
Mohs Hardness
3-46-7
2
10
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Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)