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4 samples matching your criteria
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Sample n°17415 : pyramidal crystalMinerals: FERBERITEYear: 2016Country: Rwanda
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Sample n°17416 : fine-grained alteration of ferberiteMinerals: TUNGSTITEYear: 2016Country: Rwanda
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Sample n°17417 : fragment with prominent cleavageMinerals: FERBERITEYear: 2016Country: Rwanda
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Sample n°17505 : complex alterationMinerals: ANTHOINITE FERBERITEYear:Country: Rwanda