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6 samples matching your criteria
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Sample n°16255 : thick horizontal band, vertical veinsMinerals: CHALCOCITEYear: 2009Country: Congo (RDC)
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Sample n°13913 : core sections, with dispersed uraninite and uraninite veins in dolomite unitMinerals: URANINITEYear: 1982Country: Congo (RDC)
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Sample n°17983 : fibrous coatingMinerals: SHATTUCKITEYear: 2017Country: Congo (RDC)
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Sample n°19180 : coating, dark purple in outer partMinerals: CALCITEYear: 2020Country: Congo (RDC)
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Sample n°19181 : disconinuous fine-grained malachite and cobalt-bearing calcite coatingsMinerals: CALCITE MALACHITEYear: 2020Country: Congo (RDC)
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Sample n°19182 : round quartz aggregtes, on fragment with fine-grained cobalt-bearing calciteMinerals: QUARTZ CALCITEYear: 2020Country: Congo (RDC)