Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
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
Blue, Violet, Colorless, Red, Green, Brown
Green
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio
Scorpio
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
Transparent, Translucent, Transparent to translucent
Transparent, Transparent to nearly opaque