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3 samples matching your criteria
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Sample n°2841 : bright black massive materialMinerals: SULVANITEYear: 1949Country: Congo (RDC)
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Sample n°6449 : bronze-coloured metallic coating on limestoneMinerals: SULVANITEYear:Country: Congo (RDC)
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Sample n°8315 : massive bronze-coloured material in limestoneMinerals: SULVANITEYear: 1959Country: Congo (RDC)