The origin of celestine is chiefly sedimentary. It occurs as cavity or, fissure fillings, Southern and central Africa, Sixth Edition (2006)
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, Blue, Brown, Colorless, Green, gray
Yellow
Gemini
Scorpio, Libra, Virgo, Scorpio, Libra, Virgo, Scorpio
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Not Available