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319 samples matching your criteria
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Sample n°2132 : brown crystals in calciteMinerals: SPHALERITE CALCITEYear: 1941Country: Congo (RDC)
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Sample n°2133 : specular sphalerite in calcite gangue material, with polished sectionMinerals: CALCITE SPHALERITE CHALCOPYRITE COVELLITE PYRITEYear: 1941Country: Congo (RDC)
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Sample n°2134 : large block of well-developed oreMinerals: CHALCOPYRITE CHALCOCITE BORNITE SPHALERITEYear: 1941Country: Congo (RDC)
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Sample n°2135 : massive ore, with polished sectionMinerals: COPPER GALENA RENIERITE CHALCOCITE CHALCOPYRITE SPHALERITE BETEKHTINITE BORNITEYear: 1941Country: Congo (RDC)
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Sample n°2136 : yellow massive ore, with polished sectionMinerals: PYRITE RUTILE SPHALERITE CHALCOPYRITEYear: 1941Country: Congo (RDC)
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Sample n°2137 : white-yellow microcrystalline smithsonite crust, enclosing altered black galena crystalsMinerals: SMITHSONITE GALENAYear:Country: Congo (RDC)
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Sample n°2138 : quartz crystals, unidentified brown spotsMinerals: QUARTZYear: 1941Country: Congo (RDC)
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Sample n°2139 : blue-yellow massive oreMinerals: BORNITE CHALCOCITE RENIERITE TENNANTITE SILVER BETEKHTINITE MOLYBDENITEYear:Country: Congo (RDC)
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Sample n°2140 : clear transparent green massMinerals: ARAGONITEYear: 1941Country: Congo (RDC)
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Sample n°2141 : blue to yellow massive oreMinerals: CHALCOCITE CHALCOPYRITE BORNITE SPHALERITEYear: 1941Country: Congo (RDC)