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
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Green
Colorless, Yellow, Green, Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Scorpio
Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra, Pisces, Taurus, Gemini, Libra