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  1. 3 Φεβ 2024 · Are you curious about the different types of tourmaline? Read on as we discuss the unique properties and characteristics of these tourmaline types.

  2. 1 Ιουλ 2024 · 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.

  3. The color of tourmaline is caused by the presence of different trace elements in the mineral. The most common color-causing elements are iron, manganese, chromium, copper, and vanadium. Iron: Iron can produce green, blue, and black tourmaline. Manganese: Manganese can produce pink, red, and yellow tourmaline.

  4. en.wikipedia.org › wiki › TourmalineTourmaline - Wikipedia

    Tourmaline (/ 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.

  5. Gemologists use a tourmaline’s properties and chemical composition to define its species. The major tourmaline species are elbaite, liddicoatite, dravite, uvite, and schorl. Most gem tourmalines are elbaites, which are rich in sodium, lithium, aluminum, and sometimes—but very rarely—copper.

  6. 25 Ιουλ 2017 · The purpose of this study was to investigate the characteristics of ACERALIVEN™, a commercial tourmaline, and to test its effect on plant growth.

  7. Minerals and gems of the tourmaline group occur in every color of the spectrum. Tourmaline is also widely known for its beautiful zoning, bicolor gems and pleochroic colors.

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