4.62ct 10.97x9.02mm Cushion Shape Unheated Yellowish-Green Elbaite Tourmaline With Certificate Item: MLB108
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Product Description for 4.62ct 10.97x9.02mm Cushion Shape Unheated Yellowish-Green Elbaite Tourmaline With CertificateTourmaline was named after "turmali", the Sinhalese word for "mixed", probably because of the variety of colors it's found in and the fact that it can be bi-, tri- or parti-colored. Tourmaline ranks a tough 7 to 7.5 on the Mohs' scale of hardness. It is the national gemstone of the U.S. but is found all over the world, with colors varying depending on its origin. Indicolite is the name for the deep blue to greenish-blue variety, and rubellite is the pink-red color.
Product Information for 4.62ct 10.97x9.02mm Cushion Shape Unheated Yellowish-Green Elbaite Tourmaline With Certificate
| Product Type: | Single Stone |
Primary Stone / Tourmaline
| Shape: | Rectangular Cushion | Composition: | Natural |
| Cut: | Mixed Cuts | Treatment: | Unheated |
| Color: | Green | Gemstone Group: | Tourmaline |
| Dimensions: | 10.97X9.02 MM - Not Calibrated | Origin: | Mozambique |
| Count: | 1.00 | Origin: | Mozambique |
Care and Handling of 4.62ct 10.97x9.02mm Cushion Shape Unheated Yellowish-Green Elbaite Tourmaline With Certificate |
| Learn more about proper care of your gemstones and jewelry by visiting our Gemstone Enhancements and Treatments page. |
 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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