Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma
USA, Mexico, Austria, India, Southern and central Africa, Australia, Argentina, Mexico, Spain, Argentina, Mexico, Spain
Scorpio
Scorpio, Leo, Scorpio, Leo, Scorpio, Leo
Not Available
Uneven, Conchoidal, Conchoidal to uneven, Brittle
Transparent, Transparent to nearly opaque
Transparent, Opaque, Transparent to nearly opaque