Tenacity
-
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.22-3.406.86-7.03
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
1,2 prismatic.
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
5-66-7
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references