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Tourmaline
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<p>Tourmaline is a <a href="/facts/Crystalline/e2R2mk3E">crystalline</a> <a href="/facts/Silicate_mineral/WclrQW2I">silicate</a> <a href="/facts/Mineral_group/yXnQ1b1N">mineral group</a> in which <a href="/facts/Boron/Pmwgd7Mf">boron</a> is <a href="/facts/Chemical_compound/37FXqqtv">compounded</a> with <a href="/facts/Chemical_element/0jducgWD">elements</a> such as <a href="/facts/Aluminium/7wmR8jYE">aluminium</a>, <a href="/facts/Iron/QK1JYy8E">iron</a>, <a href="/facts/Magnesium/XyIhd2FG">magnesium</a>, <a href="/facts/Sodium/eYuSPu2V">sodium</a>, <a href="/facts/Lithium/7vXX6BWA">lithium</a>, or <a href="/facts/Potassium/FWPwS7Rj">potassium</a>. This <a href="/facts/Gemstone/kHffmvE3">gemstone</a> comes in a wide variety of colors. </p><p>The name is derived from the <a href="/facts/Sinhala_language/qfPUFGYS">Sinhalese</a> <i>tōramalli</i> (ටෝරමල්ලි), which refers to the <a href="/facts/Carnelian/knKJs122">carnelian</a> gemstones. </p>