Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Brazil, Color: bi-color, violet / yellow, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Lustre: vitreous, Origins: Brazil, Bolivia, Uruguay. Ametrine is a bi-color variety of quartz, Yellow, Orange, India
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Yellow
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Not Available