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
Not Available, Southern and central Africa
Yellow
White, Reddish, Colorless, gray, White, Red, Reddish
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Not Available
Not Available
Uneven, Uneven, Gems, Sixth Edition (2006)