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
Afghanistan, Southern and central Africa, California
Yellow
Violet, Colorless, gray, White
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Libra