Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.5-4.8-9999
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None, parting may develop along {111}
None
Mohs Hardness
5.53-4
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite