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
Australia, Spain, Brazil, Germany, Australia, Spain, Brazil, Germany, Australia, Spain, Brazil
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Green, Blue, Colorless
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Translucent, Opaque . May be translucent when backlit on the edges.