Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.65-4.55
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
-
None, but may exhibit slight parting
Mohs Hardness
-99997.5-8
2
10
👆🏻
Chemical Composition
SiO2, Al2O3, CaO, MgO, FeO
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)