China
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
Green, Yellow, Colorless, Grey, Brown, White, Red
Yellow
Not Available
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Not Available