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15 samples matching your criteria
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Sample n°18674 : brownish crystalMinerals: CASSITERITEYear:Country: Niger
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Sample n°18675 : fragmentsMinerals: WOLFRAMITEYear:Country: Niger
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Sample n°18676 : concentrateMinerals: MONAZITEYear:Country: Niger
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Sample n°18677 : hexagonal crystalMinerals: BERYLYear:Country: Niger
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Sample n°16126 : massive blockMinerals: CASSITERITEYear:Country: Niger