Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Color: blue, Not Available, Not Available, Not Available, Hardness: 8.5, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O3, Crystal structure: orthorhombic, Origins: Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma. Bluish stones are most valuable. Prices for chrysoberyls grow rapidly with weight, and clean stones bigger than 15 cts are rare and therefore an excellent investment.
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
Greenish, Green, Brownish, Green, Red, Blue, Green, Brown, Brownish, Green, gray, Blue, Green, Brown, Brownish, Green, gray
Green
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
Not Available
Transparent, Translucent, Transparent to translucent
Transparent, Transparent to nearly opaque