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Shonen63: Seymchan Meteorite
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dinahkimbell: Igneous. Rhyolite from Queensland. Purchased.
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Sophy7500: Palo Duro Canyon State Park, Palo Duro, TX
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ammonite spiral: Ammonite fossil in mudstone (Lyme Regis, Dorset)
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ammonite spiral: Ammonite fossil, formed from quartz or calcite (Lyme Regis, Dorset)