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
Brazil, Kenya, Madagascar, Mozambique, Sri Lanka
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Red
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Conchoidal
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Gemmological Tables (2004)