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
Southern and central Africa
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Brown
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
torn surfaces, (e.g. fractured metals).
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Not Available