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122 samples matching your criteria
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Sample n°18850 : coarse-crystalline fragmentsMinerals: ALLUAUDITEYear: 2019Country: Rwanda
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Sample n°18851 : large white to greyish cleavage fragmentMinerals: AMBLYGONITE MONTEBRASITEYear: 2019Country: Rwanda
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Sample n°18852 : heterogeneous blockMinerals: BRAZILIANITEYear: 2019Country: Rwanda
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Sample n°18853 : massiveMinerals: TRIPHYLITEYear: 2019Country: Rwanda
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Sample n°18854 : coarse-crystalline massMinerals: ALLUAUDITEYear: 2019Country: Rwanda
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Sample n°18855 : heterogenous mass, with purple varisciteMinerals: BRAZILIANITE VARISCITEYear: 2019Country: Rwanda
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Sample n°18856 : coarse-fibrous bandMinerals: DUFRENITEYear: 2019Country: Rwanda
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Sample n°18857 : large blockMinerals: ANTHOINITEYear: 2019Country: Rwanda
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Sample n°19455 : coarse-crystalline blocksMinerals: BASTNASITEYear: 2020Country: Burundi
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Sample n°19674 : group of octahedral ferberite crystals, with hydrokenoelsmoreite coating, var ferrotungstiteMinerals: FERBERITE HYDROKENOELSMOREITEYear: 2022Country: Rwanda