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230 samples matching your criteria
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Sample n°4195 : galena-dominated fragments, with associated other minerals, with polished sectionMinerals: CHALCOCITE COVELLITE GALENA SPHALERITE CERUSSITE COPPER GOETHITE SILVERYear: 1954Country: Congo (RDC)
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Sample n°4266 : yellow to blue block, with polished sectionMinerals: SILVER BORNITE CHALCOCITE CHALCOPYRITE MALACHITE SPHALERITE GALENA GOETHITE PYRITE RENIERITE TENNANTITEYear:Country: Congo (RDC)
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Sample n°4290 : massiveMinerals: CHALCOPYRITE COVELLITE MOLYBDENITE BORNITE GOETHITE PYRITE SPHALERITE TENNANTITEYear: 1954Country: Congo (RDC)
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Sample n°4425 : massive fibro-radial red materialMinerals: GOETHITEYear: 1954Country: Unknown
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Sample n°4426 : cubes and dodecahedrons (1 cm), as alteration products of pyriteMinerals: GOETHITEYear: 1954Country: Rwanda
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Sample n°4429 : crystals (1-5 mm), as alteration products of pyriteMinerals: GOETHITEYear: 1954Country: Congo (RDC)
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Sample n°4430 : fibro-radial brown block (7 cm)Minerals: GOETHITEYear: 1954Country: République Centrafricaine
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Sample n°4484 : malachite covering goethite with stalactitic aspectMinerals: GOETHITE MALACHITEYear:Country: Congo (RDC)
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Sample n°5390 : blue to yellow metallic block, with polished sectionMinerals: CHALCOCITE GALENA CHALCOPYRITE BORNITE GOETHITE SPHALERITE TETRADYMITEYear: 1955Country: Congo (RDC)
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Sample n°5836 : scoriaceous micaceous materialMinerals: GOETHITE MICA QUARTZYear: 1955Country: Rwanda