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  2. Empress of Uruguay - Wikipedia

    en.wikipedia.org/wiki/Empress_of_Uruguay

    The Empress of Uruguay is the world's largest amethyst geode, standing at a height of 3.27 meters. It is open along its length and weighs 2.5 tons in its current state. It was discovered in 2007 in the Artigas department, Uruguay by the Uruguayan mining company Le Stage Minerals. Its estimated value is US $190,000, although it is not for sale.

  3. Allison and Roberto Mignone Halls of Gems and Minerals

    en.wikipedia.org/wiki/Allison_and_Roberto_Mignon...

    The Allison and Roberto Mignone Halls of Gems and Minerals are a series of exhibition halls at the American Museum of Natural History on the Upper West Side in Manhattan, New York City. The halls opened on June 12, 2021, as a complete redesign of their predecessors, the Harry Frank Guggenheim Hall of Gems and Minerals and Morgan Memorial Hall ...

  4. Prasiolite - Wikipedia

    en.wikipedia.org/wiki/Prasiolite

    Prasiolite (also known as green quartz, green amethyst or vermarine) is a green variety of quartz. Since 1950, almost all natural prasiolite has come from a small Brazilian mine, [citation needed] but it has also been mined in the Lower Silesia region of Poland. Naturally occurring prasiolite has also been found in the Thunder Bay area of ...

  5. Images of gemstones under a microscope are stunning - AOL

    www.aol.com/news/2015-01-22-images-of-gemstones...

    Creating these gorgeous photos is more than just clicking a button. Sanchez directs light through fiber optics then takes the photo with multiple different points of focus. The final image is a ...

  6. Amethyst - Wikipedia

    en.wikipedia.org/wiki/Amethyst

    An amethyst geode that formed when large crystals grew in open spaces inside the rock. The largest amethyst geode found as of 2007 was the Empress of Uruguay, found in Artigas, Uruguay in 2007. It stands at a height of 3.27 meters, lies open along its length, and weighs 2.5 tons. Amethyst is also found and mined in South Korea. [19]

  7. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    Actinolite. Nephrite (var.); Adamite; Aegirine; Afghanite; Agrellite; Algodonite; Alunite; Amblygonite; Analcime; Anatase; Andalusite. Chiastolite; Andesine ...

  8. Vintage Depression Glass Worth Wallet-Shattering Prices - AOL

    www.aol.com/vintage-depression-glass-worth...

    Highest listing price on eBay: $400. Doric and Pansy by Jeannette Ultramarine is a stunning Depression glass pattern with intricate floral details and a striking blue-green hue. Produced from 1937 ...

  9. Rice Northwest Museum of Rocks and Minerals - Wikipedia

    en.wikipedia.org/wiki/Rice_Northwest_Museum_of...

    Later in 2005, the 1,800-square-foot (170 m 2) Northwest Minerals Gallery opened in a former storeroom at the museum after renovations totaling $150,000. [ 16 ] By 2007 the museum received 25,000 visitors each year, mainly from school groups. [ 17 ]