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
Russia, green, violet, Yellow, blue, green, violet, Yellow, blue
Yellow
Black, Violet, Blue, Green
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo