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5 samples matching your criteria
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Sample n°17272 : smoky quartz, with inclusionsMinerals: QUARTZYear: 2016Country: Congo (RDC)
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Sample n°17273 : coating of reddish to colourless quartzMinerals: QUARTZYear: 2016Country: Congo (RDC)
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Sample n°17275 : aggregate of gold extracted by amalgamationMinerals: GOLDYear: 2016Country: Congo (RDC)
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Sample n°17436 : fine-grained quartz coating on plancheite and malachiteMinerals: MALACHITE PLANCHEITE QUARTZYear:Country: Congo (RDC)
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Sample n°18505 : pseudomorph after azuriteMinerals: MALACHITEYear: 2018Country: Congo (RDC)