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
Italy, China
Yellow
Colorless, White, Blue, gray
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Not Available
Not Available
White, Yellow, Pale blue, Brittle, Uneven