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3 samples matching your criteria
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Sample n°246 : pink, massiveMinerals: CHALCEDONY (quartz)Year: 1910Country: Congo (RDC)
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Sample n°247 : group of prismatic crystalsMinerals: QUARTZYear: 1910Country: Congo (RDC)
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Sample n°248 : block with radial patternsMinerals: QUARTZYear: 1910Country: Congo (RDC)