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26 samples matching your criteria
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Sample n°1181 : concretion covering geodesMinerals: CHRYSOCOLLA MALACHITEYear: 1946Country: Congo (RDC)
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Sample n°1182 : broken crystalsMinerals: DIOPTASE CALCITEYear: 1946Country: Congo (RDC)
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Sample n°1183 : massive, on limestoneMinerals: CHALCOPYRITEYear: 1946Country: Congo (RDC)
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Sample n°1184 : massive, iridescentMinerals: CHALCOPYRITEYear: 1946Country: Congo (RDC)
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Sample n°1185 : blue to bronze metallic samplesMinerals: BORNITE CHALCOCITE CHALCOPYRITEYear: 1947Country: Congo (RDC)
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Sample n°1186 : malachite coatings on black to ochre oreMinerals: CHALCOCITE MALACHITEYear: 1946Country: Congo (RDC)
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Sample n°1187 : veins in graphite-bearing schistMinerals: CHALCOPYRITEYear: 1943Country: Congo (RDC)
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Sample n°1188 : dark brown to yellow, metallic, with polished sectionMinerals: SPHALERITE CHALCOPYRITE TENNANTITEYear:Country: Congo (RDC)
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Sample n°1189 : massive ore, with polished sectionMinerals: ENARGITE GALENA SPHALERITE CHALCOCITE PYRITEYear: 1946Country: Congo (RDC)
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Sample n°1190 : white isolated crystals in geode (cerussite)Minerals: CERUSSITE MALACHITEYear: 1946Country: Congo (RDC)