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32 samples matching your criteria
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Sample n°16947 : abundant cassiterite along quartz veinMinerals: CASSITERITEYear:Country: Rwanda
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Sample n°16944 : vein fragmentMinerals: CASSITERITEYear:Country: Rwanda
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Sample n°16946 : vein fragmentMinerals: CASSITERITEYear:Country: Rwanda
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Sample n°18769 : black crystalsMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18770 : medium to small black crystalsMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18771 : brown crystals and crystal fragmentsMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18772 : brownish translucent fragmentsMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18773 : bi-coloured, brown and blackMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18774 : bi-coloured, translucent brown and blackMinerals: CASSITERITEYear: 2019Country: Rwanda
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Sample n°18775 : bi-coloured rounded fragmentsMinerals: CASSITERITEYear: 2019Country: Rwanda