Mineralogy Database
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141 samples matching your criteria
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Sample n°336 : massive, redMinerals: GOETHITEYear: 1912Country: Congo (RDC)
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Sample n°337 : geodes with crystals of 1 to 3 cmMinerals: CALCITEYear: 1913Country: Congo (RDC)
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Sample n°338 : pink fibrous concretionMinerals: ARAGONITEYear: 1909Country: Congo (RDC)
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Sample n°339 : white blockMinerals: QUARTZYear: 1912Country: Congo (RDC)
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Sample n°341 : reniform yellow blockMinerals: CHALCEDONY (quartz) QUARTZYear: 1910Country: Congo (RDC)
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Sample n°344 : massive, blueMinerals: QUARTZYear: 1910Country: Congo (RDC)
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Sample n°348 : microcrystalline coating on quartziteMinerals: BARYTEYear:Country: Congo (RDC)
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Sample n°349 : fibrous, yellowishMinerals: CALCITEYear: 1913Country: Congo (RDC)
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Sample n°350 : crust composed of crystals (0.5 cm)Minerals: CALCITE PYRRHOTITEYear: 1913Country: Congo (RDC)
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Sample n°531 : coating on quartziteMinerals: MALACHITE CALCITEYear:Country: Congo (RDC)