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  4 samples matching your criteria
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        Sample n°8753 : spots in vein quartzMinerals: PYRITE QUARTZYear: 1960Country: Congo (RDC)
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        Sample n°8754 : geodic block with rust-coloured surfaceMinerals: PHARMACOSIDERITEYear: 1960Country: Congo (RDC)
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        Sample n°8755 : greenish geodic blocks with rust-coloured coatingsMinerals: SCORODITEYear: 1960Country: Congo (RDC)
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        Sample n°20310 : rounded grains (cm)Minerals: MONAZITEYear: 2017Country: Congo (RDC)