Brazil, Kenya, Madagascar, 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
Brown, Black
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .