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230 samples matching your criteria
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Sample n°520 : earthy reddish brown blockMinerals: GOETHITEYear: 1913Country: Congo (Congo-Brazzaville)
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Sample n°773 : siliceous lateriteMinerals: GOETHITEYear: 1925Country: Congo (RDC)
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Sample n°775 : massive galena, in quartz and iron oxidesMinerals: GALENA GOETHITE QUARTZYear: 1927Country: Congo (RDC)
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Sample n°781 : crystals in quartz and ochrous materialMinerals: GOETHITE GALENA CALCITE QUARTZYear: 1927Country: Congo (RDC)
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Sample n°802 : small tablet in lateriteMinerals: KYANITE GOETHITE QUARTZYear: 1926Country: Congo (RDC)
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Sample n°823 : sample with vandenbrandeite as dark green crystals and massive material, cuprosklodowskite as fan-shaped aggregates and massive material, kasolite as yellow crystals and grey powdery material, bright brown-black goethiteMinerals: CUPROSKLODOWSKITE URANINITE VANDENBRANDEITE GOETHITE KASOLITEYear: 1955Country: Congo (RDC)
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Sample n°913 : ferruginous substrate with thin malachite coatingMinerals: GOETHITE MALACHITEYear: 1897Country: Congo (RDC)
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Sample n°920 : zoned crust on breccious rockMinerals: MALACHITE GOETHITE QUARTZYear:Country: Congo (RDC)
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Sample n°926 : lateriteMinerals: GOETHITEYear:Country: Congo (RDC)
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Sample n°978 : small fragments, yellow interior, blue-red exterior, with polished sectionMinerals: BORNITE CHALCOPYRITE GOETHITE PYRITE CHALCOCITE MALACHITE TENNANTITEYear: 1936Country: Congo (RDC)