Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.16-3.433.65-4.55
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} Good, {110} Good
None, but may exhibit slight parting
Mohs Hardness
5-67.5-8
2
10
👆🏻
Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)