Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
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
Brown
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .