Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.392-9999
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
{010} moderate, {100} imperfect
-
Mohs Hardness
6.5-7-9999
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2, Al2O3, CaO, MgO, FeO