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
Canada, Southern and central Africa
Yellow
Green, Green, Yellow, Red
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Not Available
Not Available
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven