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