Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99994.80-4.90
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
{010} Indistinct
Mohs Hardness
3-46-6.5
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references