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
Zimbabwe
Yellow
Violet, White, gray, Blue, Brown, Black
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Cancer, Sagittarius, Cancer, Sagittarius, Cancer, Sagittarius