.58ct Avg Rubellite Brazilian Tourmaline Rectangle Cushion 6x4 mm Loose
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Tourmaline gemstones can be found in all colours of the rainbow. Tourmaline is the national gemstone for the United States, where it has been mined for centuries. In fact, up until the early 1900s, the United States was considered the primary source for fine tourmaline. Today, the most significant tourmaline deposits come from Minas Gerais and Bahia, Brazil. Other notable tourmaline sources include Afghanistan, Australia, Burma (Myanmar), India, Italy, (Elba) Madagascar, Malawi, Mozambique, Namibia, Nepal, Nigeria, Pakistan, Russia, Sri Lanka, Switzerland, (Tessin) Tanzania, the United States (California and Maine), Zaire, Zambia and Zimbabwe.