Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.402.9-3.5
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
1,2 prismatic.
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
5-65.5-6
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)