Southern and central Africa
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
Black, Reddish, gray, Red
Yellow
Black, Brown, Reddish, Red
Not Available
Aries, Aquarius, Aries, Aquarius, Aries, Aquarius
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio