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105 samples matching your criteria
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Sample n°15937 : complex alterationMinerals: FERBERITE TUNGSTITEYear:Country: Rwanda
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Sample n°15942 : fragmentsMinerals: ANTHOINITE FERBERITEYear:Country: Rwanda
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Sample n°15956 : white aggregateMinerals: ANTHOINITE FERBERITEYear:Country: Rwanda
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Sample n°15973 : white aggregatesMinerals: ANTHOINITEYear:Country: Rwanda
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Sample n°16939 : porous massMinerals: FERBERITEYear:Country: Rwanda
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Sample n°18538 : rock fragment with abundant large augite crystalsMinerals: AUGITEYear:Country: Rwanda
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Sample n°18545 : pyramidal crystalsMinerals: FERBERITEYear:Country: Rwanda
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Sample n°12493.98 : fragmentsMinerals: CASSITERITE COLUMBITEYear: 1970Country: Rwanda
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Sample n°18962 : terminated prismatic crystalMinerals: QUARTZYear:Country: Rwanda
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Sample n°19026 : crystals in volcanic rock matrixMinerals: OLIVINEYear:Country: Rwanda