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  3 samples matching your criteria
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        Sample n°8989 : large reniform ballMinerals: MALACHITEYear: 1961Country: Congo (RDC)
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        Sample n°8990 : stacked stalactites, partly with nodular surface (35 cm length)Minerals: MALACHITEYear: 1961Country: Congo (Congo-Brazzaville)
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        Sample n°8991 : network of tabular crystals (10 cm) in vein quartzMinerals: WOLFRAMITEYear: 1961Country: Congo (RDC)