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 home learning library tourmaline
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Fast Facts
| Tourmaline is a fascinating mineral that can sometimes exhibit two or more colors. |
| It is 7.5 on the Mohs??? scale and has no cleavage, making it suitable for many types of jewelry use. |
| Sometimes referred to as the “electric stone,” tourmaline becomes statically charged when heated or rubbed, attracting dust, lint and small pieces of paper. |
| Tourmaline possesses one of the widest color ranges, reproducing every conceivable color in the universe. |
 Tourmaline is fairly hard and durable, making it very wearable and an ideal gem for jewelry. |
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Tourmaline is a fascinating mineral that can actually exhibit two or more colors in one crystal. It possesses one of the widest color ranges, reproducing every conceivable color in the universe. On Mohs’ scale of hardness, tourmaline is 7.5. It is vitreous on crystal surfaces, and because of that the polished stones will have a beautiful brilliance. Sources include Brazil (Minas Gerais, Paraiba), Afghanistan, Australia, Burma (Myanmar), India, Madagascar, Malawi, Mozambique, Namibia, Nepal, Nigeria, Pakistan, Russia, Zambia, Zimbabwe, Sri Lanka, Tanzania, the United States (California, Maine), Zaire, Elba (Italy) and Switzerland (Tessin).
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| Learn more about this and other gemstones, by reading one of the many fine gemstone books available from Jewelry Television®.
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