The origin of celestine is chiefly sedimentary. It occurs as cavity or, fissure fillings, Southern and central Africa, Sixth Edition (2006)
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
Colorless, Blue, Brown, Colorless, Green, gray
Yellow, Colorless, Brown, Blue, Brown, Colorless, Green, gray