Southern and central Africa, violet, blue, violet, blue
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
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Yellow
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio