Dugway Geodes

Dugway Geodes Dugway Geodes formed around 6 to 8 million years ago when volcanic activity in Western Utah deposited an igneous rock called rhyolite. Trapped gases formed pockets in the rhyolite, which eventually became lined with chalcedony and quartz from groundwater. Most Dugway Geodes fluoresce a lime green color due to minute amounts of a…

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Nantan

Home Igneous Sedimentary Metamorphic Rock Cycle Nantan Meteorites Nantan Meteorites (Also known as NanDan) These are genuine Nantan meteorites that have been polished, sealed, or buffed with a steel brush to expose the beautiful coarse crystalline octahedral structure hidden within. Nantan meteorites make a very nice collector specimen just as they are, although they also…

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Museum Specimens

Museum Rock and Mineral Specimens Specimens shown on this page are rare finds and unique items. The designation “Museum Specimen” here does not mean that these specimens are perfect. The designation here means that these specimens are better quality or more unique or rare than many specimens we have seen in Rock and Mineral Museums…

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Tourmaline

Tourmalines Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. There are three species and seven varieties of tourmaline that occur in various colors; pink, red or rubellite,…

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Tiger’s eye

Tiger’s eye Tiger’s eye (sometimes called tiger eye) is a gemstone that is a variety of macro-crystalline Quartz known for its unmistakable chatoyancy in rich layers of gold and brown color. It is a pseudo morph of Quartz. It originally formed as layers of Amphibole class needle like fibers such as Crocidolite (a fibrous blue…

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Oregon Thundereggs

Home Igneous Sedimentary Metamorphic Rock Cycle Oregon Thundereggs Formed millions of years ago, Thunderegg (Thunder egg) is a round nodule-like rock formation, filled with agate, jasper, opal, and/or quartz crystals. Thunderegg is also called agate-filled or jasper-filled nodules. Typically, the size is from two to six inches in diameter. Rarely eggs can be one to…

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Thumbnail Emeralds

Thumbnail Specimens – Emeralds Most rock and mineral collectors don’t think about how or where they will display their prized specimen pieces. Everyone loves an amazing display specimen. However…just where do you plan on displaying your specimens and how much room do you actually have for your displays? These should be questions most rockhounds and…

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Thumbnail Glacial Concretions

Thumbnail Specimens – Glacial Concretions Most rock and mineral collectors don’t think about how or where they will display their prized specimen pieces. Everyone loves an amazing display specimen. However…just where do you plan on displaying your specimens and how much room do you actually have for your displays? These should be questions most rockhounds…

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Thumbnail Specimens Mixed

Thumbnail Specimens Most rock and mineral collectors don’t think about how or where they will display their prized specimen pieces. Everyone loves an amazing display specimen. However…just where do you plan on displaying your specimens and how much room do you actually have for your displays? These should be questions most rockhounds and collectors ask.…

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Spheres

Home Igneous Sedimentary Metamorphic Rock Cycle Spheres First a nice rough specimen is selected The piece is cut into a cube Corners are cut to pre-shape Loaded in the machine to rough shape after 4 day after 2 days after 3 days after undisclosed timeframe of polishing, the final product is done after undisclosed timeframe…

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