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12 samples matching your criteria
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Sample n°1811 : brown crystal in quartzMinerals: CASSITERITEYear:Country: Congo (RDC)
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Sample n°1972 : pisolithic bauxite (12 cm)Minerals: unspecifiedYear:Country: Congo (RDC)
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Sample n°2017 : crystals in altered pegmatiteMinerals: CASSITERITE MUSCOVITEYear:Country: Congo (RDC)
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Sample n°2018 : groups of needles in altered pegmatiteMinerals: TOURMALINE MUSCOVITEYear:Country: Congo (RDC)
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Sample n°2019 : needles in quartz, thick veins in quartziteMinerals: TOURMALINEYear:Country: Congo (RDC)
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Sample n°2029 : black crystals (2 cm) in white rockMinerals: GALENAYear:Country: Congo (RDC)
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Sample n°2064 : mineral occurrences in limestoneMinerals: CALCITE FLUORITEYear:Country: Congo (RDC)
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Sample n°2907 : ochrous crustMinerals: GOETHITE QUARTZYear: 1914Country: Congo (Congo-Brazzaville)
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Sample n°2930 : crystals in altered rockMinerals: CERUSSITEYear: 1914Country: Congo (Congo-Brazzaville)
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Sample n°2948 : massive blockMinerals: DIOPTASE CERUSSITE PYROMORPHITEYear: 1914Country: Congo (Congo-Brazzaville)