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  2. Tourmaline - Wikipedia

    en.wikipedia.org/wiki/Tourmaline

    Another highly valuable variety is chrome tourmaline, a rare type of dravite tourmaline from Tanzania. Chrome tourmaline is a rich green color due to the presence of chromium atoms in the crystal. Of the standard elbaite colors, blue indicolite gems are typically the most valuable, [32] followed by green verdelite and pink to red rubellite. [33]

  3. Rubellite - Wikipedia

    en.wikipedia.org/wiki/Rubellite

    Rubellite is the red or pink variety of tourmaline and is a member of elbaite. Rubellite is also the rarest gem in its family. [2] It is occasionally mistaken for ruby. [3] These gems typically contain inclusions. [4] Notable countries where rubellite can be mined include Afghanistan, Brazil, Madagascar, Myanmar, Nigeria, Russia, and the United ...

  4. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    This is a list of gemstones, organized by species and types. Minerals There ... Tourmaline subgroup: Achroite (var.) Chrome (var.) Dravite; Elbaite; Fluor-liddicoatite;

  5. 15 of the rarest items in the world - AOL

    www.aol.com/news/2017-08-01-15-of-the-rarest...

    In February 2007, the world's rarest baseball card sold at auction for $2.3 million. If you think that's totally wild, consider the world's rarest bible, which could net you $25 to $35 million.

  6. Pegmatite - Wikipedia

    en.wikipedia.org/wiki/Pegmatite

    These complex pegmatites contain unusual minerals of these elements, such as beryl, spodumene, [8] lepidolite, amblygonite, topaz, apatite, fluorite, tourmaline, triphylite, columbite, monazite, and molybdenite. Some of these can be important ore minerals. [5] Some gemstones, such as emerald, are found almost exclusively in pegmatites. [8]

  7. Gemstone industry in Greenland - Wikipedia

    en.wikipedia.org/wiki/Gemstone_industry_in_Greenland

    Gemstones have been found in Greenland, including diamond, ruby, sapphire, kornerupine, tugtupite, lapis lazuli, amazonite, peridot, quartz, spinel, topaz, and tourmaline. [1] Most of Greenland's ruby and sapphire occurrences are located near the village of Fiskenaesset/ Qeqertarsuatsiaat on the southwest coast.

  8. Brazilianite - Wikipedia

    en.wikipedia.org/wiki/Brazilianite

    The Corrego Frio pegmatite where brazilianite is found in Brazil is an altered pegmatite dike that had weathered biotite schist between its walls. [7] In New Hampshire, the pegmatite where the brazilianite was found was made up of 99 percent albite, mica, and quartz. [12] Brazilianite also found with tourmaline and feldspar. [12]

  9. Colorado Parents Praise 8-Year-Old Son with Down Syndrome for ...

    www.aol.com/colorado-parents-praise-8-old...

    An 8-year-old boy with Down syndrome became a hero after he alerted his 14-year-old sister of a fire in their Colorado home, helping them get out on time before it was engulfed in flames.

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