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117 samples matching your criteria
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Sample n°18789 : large crystalsMinerals: COLUMBITE TANTALITEYear: 2019Country: Rwanda
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Sample n°18790 : plate-shaped crystals and fragmentsMinerals: COLUMBITE TANTALITEYear: 2019Country: Rwanda
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Sample n°18791 : crystals in rock matrix, var. chiastoliteMinerals: ANDALUSITEYear: 2019Country: Rwanda
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Sample n°18792 : crystals and crystal fragmentsMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18793 : crystal aggregatesMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18794 : massiveMinerals: BRAZILIANITEYear: 2019Country: Rwanda
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Sample n°18795 : coarse-crystalline massMinerals: ALLUAUDITEYear: 2019Country: Rwanda
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Sample n°18797 : coarse-crystalline block with contrasting componentsMinerals: ALLUAUDITE PURPURITEYear: 2019Country: Rwanda
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Sample n°18798 : greyish massive blockMinerals: MONTEBRASITEYear: 2019Country: Rwanda
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Sample n°18799 : massiveMinerals: LITHIOPHILITEYear: 2019Country: Rwanda