Southern and central Africa
USA, Brazyl, Austria, Italy, Tanzania, Pakistan, Russia, Sri Lanka, Burma, Color: green, yellow-green, 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
Blue, Red
Yellow, Colorless, Brown, Blue, Green, gray
Not Available
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Not Available
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .