Tourmaline comes in every color of the rainbow, although the hues tend to be on the pastel side. Beautiful "rainbow tourmaline" necklaces and bracelets are available. Tourmaline is also a rare gem in which the same crystal can have multiple colors. One notable example is called "watermelon tourmaline", with a green rim around a pink center. Most tourmaline used in jewelry is the mineral known as elbaite. The rare and beautiful blue tourmaline, indicolite, is a variety of elbaite tourmaline.
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