Southern and central Africa
USA, Brazyl, Austria, Italy, Tanzania, Pakistan, Russia, Sri Lanka, Burma, Color: green, yellow-green, Not Available, Not Available, Not Available, Hardness: 5.5 6, Refractive index: 1.66 1.71, Density: 3.25 3.55, Chemical composition: CaMg(Si2O6), Crystal structure: monoclinic, Origins: USA, Brazyl, Austria, Italy, Tanzania, Pakistan, Russia, Sri Lanka
Green
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Not Available
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
CaMgSi2O6
Gemmological Tables (2004)
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .