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26 samples matching your criteria
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Sample n°6161 : sample with becquerelite as bright yellow laths and needles, salmon-coloured silky studtite rosettes, billietite as groups of well-developed amber-coloured compact crystals and yellow powder (centre of studtite rosettes), red massive wolsendorfite, uranophane as yellow powderMinerals: BECQUERELITE BILLIETITE STUDTITE URANINITE URANOPHANE WOLSENDORFITEYear: 1958Country: Congo (RDC)
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Sample n°6162 : sample with elongated amber-coloured becquerelite and billietite crystals, white studtite aggregates on billietite, red wolsendorfite, yellow-green uranophane substrateMinerals: BECQUERELITE BILLIETITE STUDTITE URANINITE URANOPHANE WOLSENDORFITEYear: 1958Country: Congo (RDC)
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Sample n°6163.1 : long transparent prismatic crystalMinerals: CALCITEYear: 1958Country: Congo (RDC)
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Sample n°6163.2 : pale blue silky nodules (0.5 cm)Minerals: PLANCHEITE MALACHITEYear: 1958Country: Congo (RDC)
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Sample n°6164 : pink mass with cleavage, cobalt-bearing calciteMinerals: CALCITEYear: 1958Country: Congo (RDC)
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Sample n°6165 : felty fibresMinerals: BROCHANTITEYear: 1958Country: Congo (RDC)
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Sample n°6166 : fibro-radial stalactite (3 cm)Minerals: GOETHITEYear:Country: Congo (RDC)
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Sample n°6167 : fine-grained crystallisationMinerals: AZURITEYear: 1958Country: Congo (RDC)
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Sample n°6168 : blue and purple mass, contact with rockMinerals: FLUORITEYear: 1958Country: Congo (RDC)
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Sample n°6169 : well-developed white translucent crystals in ochre-coloured rockMinerals: HEMIMORPHITEYear: 1958Country: Congo (RDC)