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
Canada, Russia
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray
Black, Green, Black, Green, Black, Green, gray, Black, Green, gray
White, White, Green
Not Available, Not Available, gray, Green