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  2. Rubellite - Wikipedia

    en.wikipedia.org/wiki/Rubellite

    Rubellite used to be the most expensive and prized gem in the tourmaline group but has since been eclipsed by the Paraiba tourmaline. [7] [8] The most valuable specimens are colored red and lack brown. [3] Those that are of ruby color are the most valuable. [9]

  3. Tourmaline - Wikipedia

    en.wikipedia.org/wiki/Tourmaline

    Tourmaline (/ ˈ t ʊər m ə l ɪ n,-ˌ l iː n / 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.

  4. Gemstone Meanings: Power and Significance of the 25 Most ...

    www.aol.com/gemstone-meanings-power-significance...

    Emeralds and other green gemstones like tourmaline, peridot, and jade correlate to the green color wavelength and heart chakra, so wearing stones of such color can amplify one’s heartfelt ...

  5. Elbaite - Wikipedia

    en.wikipedia.org/wiki/Elbaite

    Elbaite is allochromatic, meaning trace amounts of impurities can tint crystals, and it can be strongly pleochroic. Every color of the rainbow may be represented by elbaite, some exhibiting multicolor zonation. Microscopic acicular inclusions in some elbaite crystals show the cat's eye effect in polished cabochons.

  6. Pleochroism - Wikipedia

    en.wikipedia.org/wiki/Pleochroism

    Pleochroism is an extremely useful tool in mineralogy and gemology for mineral and gem identification, since the number of colors visible from different angles can identify the possible crystalline structure of a gemstone or mineral and therefore help to classify it. Minerals that are otherwise very similar often have very different pleochroic ...

  7. Beryl - Wikipedia

    en.wikipedia.org/wiki/Beryl

    Nowadays, it is most commonly used for gemstone purposes. [45] [46] The gem value of goshenite is relatively low. However, goshenite can be colored yellow, green, pink, blue and in intermediate colors by irradiating it with high-energy particles. The resulting color depends on the content of Ca, Sc, Ti, V, Fe, and Co impurities. [40]

  8. Gemstones in the Bible - Wikipedia

    en.wikipedia.org/wiki/Gemstones_in_the_Bible

    Despite the qualities mentioned in the Bible, the stone referred to may be the limpid corindon, which exhibits the same qualities, and is used in India for the same purposes as the diamond. Diamond Color [8] grade ranges from D - Z, where D is the whitest (or colorless) and Z is light yellow or brown.

  9. 62 Gifts for Teens That Are Actually Cool, According to Real ...

    www.aol.com/lifestyle/72-gifts-teens-actually...

    The sterling silver piece is coated in 14k gold and features 15 hand-set gemstones. Three marquise cut birthstone gems represent the past, present and future, while the white accent stones evoke ...

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