Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.7-3.9-9999
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
-
Mohs Hardness
5.5-6-9999
2
10
👆🏻
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
SiO2, Al2O3, CaO, MgO, FeO