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