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1. Tourmaline - Wikipedia
Link: https://en.wikipedia.org/wiki/Tourmaline
Description: WEBTourmaline ( / ˈtʊərməlɪn, - ˌliːn / TOOR-mə-lin, -leen) is a crystalline silicate mineral group in which boron is compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. This gemstone comes in a wide variety of colors.
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2. What Is Tourmaline Gemstone | Tourmaline Stone – GIA
Link: https://www.gia.edu/tourmaline
Description: WEBTourmaline: A Gemstone Spectrum. Brian C. Cook. View the Gem Encyclopedia. Tourmalines have a variety of exciting colors with one of the widest color ranges of any gem species, occurring in various shades of virtually every hue.
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3. Tourmaline: Meanings, Properties and Powers - The Complete …
Link: https://meanings.crystalsandjewelry.com/tourmaline/
Description: WEBMay 11, 2019 · Tourmaline will build your inner strength and unite your heart, mind, and spirit in love and passion. It’s the stone that will bring you joy, satisfaction, commitment, and emotional stability. Tourmaline is an excellent stone to energize and balance your chakras.
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4. Tourmaline: Earth's most colorful mineral and gemstone
Link: https://geology.com/minerals/tourmaline.shtml
Description: WEBThe wide range of compositions and color zoning within crystals causes tourmaline to occur in more colors and color combinations than any other mineral group. Tourmaline is one of the world's most popular gemstones and it …
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5. Tourmaline Value, Price, and Jewelry Information - Gem Society
Link: https://www.gemsociety.org/article/tourmaline-jewelry-and-gemstone-information/
Description: WEBTourmaline is a name applied to a family of related minerals with widely varying properties. Tourmalines make very popular jewelry stones and come in an amazing range of colors, including multi-color zones. Tourmaline is the modern October birthstone, and pink in particular is a very popular color.
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6. Tourmaline Description - GIA
Link: https://www.gia.edu/tourmaline-description
Description: WEBIn fact, tourmaline has one of the widest color ranges of any gem species, occurring in various shades of virtually every hue. Many tourmaline color varieties have inspired their own trade names: Rubellite is a name for pink, red, purplish red, orangy red, or brownish red tourmaline, although some in the trade argue that the term shouldn’t ...
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7. Tourmaline | Properties, Formation, Occurrence » Geology Science
Link: https://geologyscience.com/minerals/tourmaline/
Description: WEBModified date: 08/06/2023. Tourmaline is a fascinating gemstone that is known for its wide range of colors and unique properties. It is a crystalline mineral composed of complex borosilicate compounds and belongs to the cyclosilicate mineral group.
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8. Tourmaline | Igneous rocks, Crystals, Gemstones | Britannica
Link: https://www.britannica.com/science/tourmaline-mineral
Description: WEBApr 5, 2024 · Tourmaline, borosilicate mineral of complex and variable composition. Three types of tourmaline, distinguished by the predominance of certain elements, are usually recognized: iron tourmaline (schorl), black in colour; magnesium tourmaline (dravite), brown; and alkali tourmaline, which may be pink.
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9. What is Tourmaline? | Natural History Museum of Utah
Link: https://nhmu.utah.edu/articles/2024/02/what-is-tourmaline
Description: WEBSeptember 16, 2021. By Dave Richerson. Tourmaline is a favorite of mineral collectors, gemstone collectors, and anyone who loves colorful semiprecious gemstone jewelry. It is often found in transparent crystals that have bright colors and are large enough for display, for faceting into gemstones, and even for carving.
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10. GIA's Gübelin Gem Project: Tourmaline
Link: https://www.gia.edu/gia-gem-project-tourmaline
Description: WEBTourmalines have a very complex chemical composition, and more than a dozen mineral species are recognized within this group. Their highly variable chemical composition gives rise to a wide range of colors. Among the many varieties of elbaite tourmaline are verdelite (green), indicolite (blue) and rubellite (red).
