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TOURMALINE

Tourmalines have a wide variety of exciting colors with one of the widest color ranges of any gem.

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About Tourmaline

Tourmaline’s colors have many different causes. It’s generally agreed that traces of iron, and possibly titanium, induce green and blue colors. Manganese produces reds and pinks, and possibly yellows. Some pink and yellow tourmalines might owe their hues to color centers caused by radiation, which can be natural or laboratory-induced.

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© SINCE 1999

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