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Galleries | Museum | Collectables | Books | About Us | Contact Us | Online Sales | Montana Agate |
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Permanent Collection of Polished Specimens
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Iron oxide and manganese dendrites, Yellowstone River Terrace Gravels, Terry, Montana 60mm x 100mm
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Unusual patterned manganese dendrites and iron oxide patches of color, Yellowstone River 70mm x 130mm |
Manganese dendrites, Yellowstone River Intake, Montana 80mm x 150mm (3 pounds) |
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