1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Not Available
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
1.8 Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)