Boracite is found in evaporite deposits, Southern and central Africa, anhydrite and/or halite. Arthur Thomas
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
Colorless, White, Yellow, Blue, Green, Colorless, gray, Yellow, White
Yellow
Not Available
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio