Brazil, Southern and central Africa, Madagascar, Color: yellow, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Origins: Widespread; best stones come from Brazil. Citrine is one of the least expensive gemstones. Even very big pieces, 50 carats and more, can be easily found on the market. Greenish-yellow and orange stones are more valuable, and heat treatment is often applied to enhance the yellow color., Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown, Yellow, brown

Switzerland

Yellow

Colorless, Yellow, Blue, Reddish, Black, Reddish, Brown, Blue, gray, Black, Reddish, Brown, Blue, gray

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White

Scorpio

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Sun, Jupiter

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Projective

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Persephone, Mercury

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Protection, Psychic Power

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ConchoidalMichael O’Donoghue, Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

Indiscernible

Perfect on [001] and [011]

SiO₂

TiO 2Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Vitreous

Adamantine

Transparent

Transparent

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