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
Southern and central Africa
Yellow
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, Greenish
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Not Available