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17 samples matching your criteria
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Sample n°16630 : fine-grained tungstite in quartz and tourmalinite fragmentsMinerals: FERBERITE TUNGSTITEYear:Country: Congo (RDC)
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Sample n°15937 : complex alterationMinerals: FERBERITE TUNGSTITEYear:Country: Rwanda
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Sample n°18539 : crystals with associated greenish yellow fine materialMinerals: CASSITERITE FERBERITE TUNGSTITEYear:Country: Rwanda
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Sample n°18751 : ferberite with scattered tungstite along surfaceMinerals: FERBERITE TUNGSTITEYear: 2019Country: Rwanda
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Sample n°18752 : fragments of altered ferberite with pale to bright yellow tungstiteMinerals: FERBERITE TUNGSTITEYear: 2019Country: Rwanda
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Sample n°19784 : altered ferberite in quartz veinMinerals: FERBERITE TUNGSTITEYear: 2022Country: Congo (RDC)
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Sample n°19848 : coarse-crystalline ferberite, partially alteredMinerals: TUNGSTITE FERBERITEYear: 2022Country: United Kingdom