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Since tourmaline consists of a very large group of related gemstones, most tourmaline is traded under very colour-specific varietal names. Some of the more popular trade names include pink-red ' rubellite ', blue-green 'paraiba', blue 'indicolite' and multicoloured ' watermelon tourmaline '.
How to Find Tourmaline in the U.S. Tourmaline is a gemstone that can be found all over the world. In the U.S., there are mines in California, Maine and New Hampshire that produce this semi-precious stone. Tourmalines from California can be found in a variety of colors except for blue and yellow.