Tourmaline are recognized for having the widest color range of any gem and for lightly or deeply saturated hues of Colorless, pink, red, yellow, brown, green, greenish blue, blue violet, black, bi-colored, Known since antiquity in the Mediterranean region - Tourmaline was named in 1703 by Dutch traders who gave the gemstone a Sinhalese name, `Turamali` , thought to mean `stone with mixed colors`. Tourmaline is a crystal silicate mineral compounded with elements such as aluminum, iron, magnesium, sodium, lithium, potassium which produce a beautiful and vast color palate. Tourmaline is mined in Brazil, Afghanistan, Australia, Burma, India, Madagascar, Malawi, Mozambique, Namibia, Nepal, Nigeria, Pakistan, Russia, Zambia, Zimbabwe, Sri Lanka, Tanzania, US, Zaire, Italy, and Switzerland. Color enhancement through heat is common.
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