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94 samples matching your criteria
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Sample n°18986 : medium-grained biotititeMinerals: BIOTITEYear:Country: Congo (RDC)
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Sample n°18996 : aggregates in matrixMinerals: BIOTITEYear:Country: Congo (RDC)
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Sample n°18999 : large bioite aggregates in carbonatiteMinerals: BIOTITE CALCITEYear: 1972Country: Congo (RDC)
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Sample n°19357 : large zoned crystalMinerals: BIOTITEYear: 2020Country: Madagascar