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
Not Available, blue
Yellow
Blue, Blue, Green, Blue, Blue
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Sagittarius, Capricorn, Sagittarius, Capricorn, Sagittarius, Capricorn