Tenacity
-
-
Solubility
-
HCl soluble
Durability
-
-
Specific Gravity
-99994.27-4.29
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
Perfect {010}
Mohs Hardness
3-45-5.5
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
FeO(OH)Arthur Thomas , Gemstones (2009)