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  2. Cumberlandite - Wikipedia

    en.wikipedia.org/wiki/Cumberlandite

    Cumberlandite is a specific type of plutonic rock called a melanocratic troctolite, or melatroctolite. [1] It is the state rock of Rhode Island and can be found in a 4-acre (0.016 km 2) lot in Cumberland, Rhode Island at Iron Mine Hill. [2] [3] Further traces can be found scattered throughout the Narragansett Bay watershed as far as Martha's ...

  3. Ever gone rockhounding near the Tri-Cities area? You can find ...

    www.aol.com/news/where-collect-fun-rocks-near...

    In general, land managed by the U.S. Forest Service, like the Umatilla National Forest, allows a reasonable collection of rocks and minerals for personal, hobby and noncommercial use. Generally ...

  4. Amateur geology - Wikipedia

    en.wikipedia.org/wiki/Amateur_geology

    Avid rock collectors often use their specimens to learn about gemstones, petrology, mineralogy and geology as well as skills in the identification and classifying of specimen rocks, and preparing them for display. The hobby can lead naturally into lapidary projects, and also the cutting, polishing, and mounting of gemstones and minerals. The ...

  5. Mineral collecting - Wikipedia

    en.wikipedia.org/wiki/Mineral_collecting

    Mineral collectors find a variety of reasons to collect minerals. Many minerals are strikingly beautiful and collected for their aesthetic value. Others collect to learn more about mineralogy, the local mining industry and/or local geology. Some simply enjoy exploring the outdoors and socializing and trading with other mineral collectors.

  6. Lamproite - Wikipedia

    en.wikipedia.org/wiki/Lamproite

    Any one mineral may be dominant, and this, together with the two or three other major minerals present, suffices to determine the petrographic name. The presence of the following minerals precludes a rock from being classified as a lamproite: primary plagioclase , melilite , monticellite , kalsilite , nepheline , Na-rich alkali feldspar ...

  7. The Folch Mineral Collection (Barcelona, Spain) - Wikipedia

    en.wikipedia.org/wiki/The_Folch_Mineral...

    The Folch Collection was known during the period 1960-1980 as one of the best private mineral collections in the world. It was famous for its size (over 15,000 specimens), the quality of the pieces, the large number of classic specimens, which are now almost impossible to obtain, and the style of the collection, which is surprisingly 'modern'.

  8. Mountain Pass Rare Earth Mine - Wikipedia

    en.wikipedia.org/wiki/Mountain_Pass_rare_earth_mine

    In 2008, Chevron sold the mine to privately-held Molycorp Minerals LLC, a company formed to revive the Mountain Pass mine. Molycorp announced plans to spend $500 million to reopen and expand the mine, and on July 29, 2010, it raised about $400 million through an initial public offering , selling 28,125,000 shares at $14 under the ticker symbol ...

  9. Amazon's secret outlet is a goldmine of deals: Our picks, up ...

    www.aol.com/lifestyle/amazon-secret-outlet-sale...

    There's something on sale for everyone — including $85 off a best-selling Samsonite suitcase. ... Amazon's secret outlet is a goldmine of deals: Our picks, up to $280 off. Korin Miller.

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