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, Bolivia, Brazil, India, Yellow, Orange, Bolivia, Brazil, India
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Yellow
Blue, Violet, Colorless, Red, Green, Brown
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio