Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.23-3.263.65-4.55
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect on {010} imperfect on {100}
None, but may exhibit slight parting
Mohs Hardness
6.5-77.5-8
2
10
👆🏻
Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)