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
Guatemala, Russia, Columbia, Canada, Italy
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
White, Red, Brown, Green, gray
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Translucent