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103 samples matching your criteria
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Sample n°17417 : fragment with prominent cleavageMinerals: FERBERITEYear: 2016Country: Rwanda
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Sample n°15957 : pyramidal crystalMinerals: FERBERITEYear:Country: Rwanda
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Sample n°17543 : arge augite crystals along weathered surfaceMinerals: AUGITEYear:Country: Rwanda
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Sample n°17543 : arge augite crystals along weathered surfaceMinerals: AUGITEYear:Country: Rwanda
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Sample n°17544 : abundant crystals in rock matrixMinerals: OLIVINEYear:Country: Rwanda
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Sample n°17548 : enclave with abundant well-developed augite crystalsMinerals: AUGITEYear:Country: Rwanda
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Sample n°16215 : coatings of vesiclesMinerals: OPAL CALCITEYear:Country: Rwanda
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Sample n°17874 : pseudomorph after bipyramidal scheeliteMinerals: ANTHOINITEYear: 2017Country: Rwanda
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Sample n°17875 : graphitic material with coarse-crystalline muscovite bandsMinerals: GRAPHITE MUSCOVITEYear: 2017Country: Rwanda
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Sample n°17876 : coarse-crystalline fragmentsMinerals: FERBERITEYear: 2017Country: Rwanda