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, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Colorless, Brownish, White
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Transparent, Translucent