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  3 samples matching your criteria
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        Sample n°13025 : concretions mixed with RSC and malachite crustMinerals: HETEROGENITE MALACHITEYear: 1970Country: Congo (RDC)
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        Sample n°13026 : crystalline material in massive blockMinerals: DOLOMITEYear: 1970Country: Congo (RDC)
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        Sample n°13027 : pink crystallisation in geodeMinerals: DOLOMITE CHALCOCITEYear: 1970Country: Congo (RDC)