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3 samples matching your criteria
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Sample n°8572 : pink altered prismatic crystals in pegmatiteMinerals: SPODUMENEYear:Country: Congo (RDC)
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Sample n°12691 : black fragments (1-5 cm)Minerals: COLUMBITEYear: 1972Country: Congo (RDC)
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Sample n°12692 : coating of interlocking needles on schistMinerals: TOURMALINEYear: 1972Country: Congo (RDC)