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
Canada, Southern and central Africa
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Violet, Colorless, pink
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Conchoidal, Splintery
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Gemmological Tables (2004) More from other references