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
USA
Yellow
Brown, Red, Black, Brownish
Not Available
Reddish, Brown, Reddish, Brown
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Not Available