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