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223 samples matching your criteria
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Sample n°6721 : black sphalerite crystals (cm), golden hexagonal pyrrhotite crystals (2 cm)Minerals: PYRRHOTITE SPHALERITEYear: 1954Country: Roumania
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Sample n°6725 : block (5 cm) with mineralisation in layersMinerals: SPHALERITEYear: 1954Country: Germany
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Sample n°6740 : sample with bright black uraninite veins, brown sphalerite along uraniniteMinerals: URANINITE PYRITE SPHALERITEYear: 1957Country: Czech Republic
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Sample n°8295 : bright grey metallic material, with polished sectionMinerals: CHALCOPYRITE GALENA TENNANTITE SPHALERITE ARSENOPYRITEYear:Country: Congo (RDC)
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Sample n°8296 : bright black metallic block, with polished sectionMinerals: GALLITE RENIERITE SILVER SPHALERITE STROMEYERITE BORNITE CHALCOCITE CHALCOPYRITE GOETHITEYear:Country: Congo (RDC)
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Sample n°8298 : yellow metallic sample, with polished sectionMinerals: PYRITE FLUORITE GOETHITE BORNITE CHALCOPYRITE GALENA SPHALERITEYear: 1959Country: Congo (RDC)
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Sample n°8300 : small grey to yellow metallic fragments, with polished sectionMinerals: SPHALERITE BORNITE CHALCOPYRITE GALENA TENNANTITEYear: 1954Country: Congo (RDC)
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Sample n°8303 : grey-blue metallic materialMinerals: BORNITE CHALCOCITE CHALCOPYRITE GOETHITE HEMATITE PYRITE SPHALERITEYear: 1959Country: Congo (RDC)
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Sample n°8304 : bright black to yellow metallic material, with polished sectionMinerals: CHALCOPYRITE SPHALERITE BORNITE TENNANTITEYear: 1949Country: Congo (RDC)
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Sample n°8715 : aggregates and crystals in gold-bearing quartzMinerals: QUARTZ GALENA PYRITE SPHALERITEYear: 1960Country: Congo (RDC)