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
Southern and central Africa
Yellow
Red, Brown, Red, Red, Black
Not Available
Brownish, Red, Brownish, Red
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Not Available