Brazil, Tanzania, Zimbabwe, Madagascar, Burma, Sri Lanka, India
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
Red, Violet
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
TransparentGemdat.org, Management Team (2012)
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .