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