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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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Manganese dendrites with light iron oxide staining. Old Terrace Flaxville gravel Glendive, Montana 50xx x 84mm (1 pound)
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Iron oxide patterned banding with manganese dendrites. Yellowstone River, Savage, Montana 70mm x 80mm
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Manganese dendrites in a pattern, Yellowstone River, Intake, Montana 50mm x 110mm (2 pounds)
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Iron and manganese dendrites in the thin-line layered type. Yellowstone River, Savage, Montana 75mm x 100mm
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