USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Color: violet, purple-violet, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Lustre: vitreous, Origins: Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, USA, East Africa, Zambia, Namibia, Madagascar, India, Sri Lanka, Russia, Brazil, Uruguay, Bolivia, Argentina, Australia, Brazil, Uruguay, Bolivia, Argentina, Australia
A primary mineral in hydrothermal veins, stockworks, disseminations
Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink
Yellow, Green, Black
White
Yellow, Green, Black, Greenish, Black
Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius
Not Available