1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.22-3.403.90-4.00
1
7.18
2.8 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.9 Cleavage
1,2 prismatic.
Perfect on {001}, good on {210}, poor on {010}
2.10 Mohs Hardness
3.4 Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references