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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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Unusual outside banded Montana Agate with layering inside filled with manganese dendrites. Yellowstone River, Crane, Montana 50mm x 120mm
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Manganese dendrites, Yellowstone River, Savage, Montana 60mm x 100mm |
Iron oxide patterned with floating manganese dendrites, Savage, Montana 50mm x 150mm |
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