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
Not Available
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Colorless, White, Yellow
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Brittle, Metallic
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
TransparentAnthony et al, Handbook of mineralogy (2001)