Russia, Southern and central Africa, Color: green, yellowish green, Hardness: 6.5, Refractive index: 1.88 1.89, Density: 3.82 3.85, Chemical composition: Ca3Fe2(SiO4)3, Crystal structure: isometric, Origins: Russia, Namibia
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Green, Red, Green, orange
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink