Canada, Columbia, Brazil, Burma, Russia, 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, White, pink, gray, Green
Yellow
Sagittarius
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Not Available