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9 samples matching your criteria
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Sample n°870 : black crystals in vein quartzMinerals: CASSITERITE CHALCOCITE CHALCOPYRITEYear: 1934Country: Congo (RDC)
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Sample n°871 : gold on cavernous quartzMinerals: GOLD QUARTZYear: 1934Country: Congo (RDC)
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Sample n°1646 : specular material on quartzMinerals: HEMATITE QUARTZYear:Country: Congo (RDC)
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Sample n°2978 : fragments (6 cm)Minerals: CORUNDUMYear:Country: Congo (RDC)
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Sample n°3323 : crystals in vein quartzMinerals: GOLD QUARTZYear:Country: Congo (RDC)
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Sample n°4237 : nugget (3.5 g)Minerals: GOLDYear: 1954Country: Congo (RDC)
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Sample n°5448 : gold on quartzMinerals: GOLD QUARTZYear: 1955Country: Congo (RDC)
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Sample n°10607 : coating on clear quartzMinerals: GOLD QUARTZYear: 1965Country: Congo (RDC)
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Sample n°11871 : crystals (1-4 mm)Minerals: GOLDYear: 1968Country: Congo (RDC)