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  7 samples matching your criteria
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        Sample n°4286 : metallic nodules in vein quartzMinerals: ARSENOPYRITE QUARTZYear:Country: Rwanda
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        Sample n°4625 : yellow transparent plate with rust-coloured surface (10 cm)Minerals: TOPAZYear: 1954Country: Rwanda
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        Sample n°6083 : large transparent yellowish crystal Minerals: TOPAZYear: 1957Country: Rwanda Minerals: TOPAZYear: 1957Country: Rwanda
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        Sample n°18441 : large platesMinerals: MUSCOVITEYear: 2017Country: Rwanda
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        Sample n°18764 : coarse-crystalline blockMinerals: GALENAYear: 2019Country: Rwanda
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        Sample n°19369 : large cleavage fragmentMinerals: FERBERITEYear: 2020Country: Rwanda
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        Sample n°20324 : large cleavage fragmentsMinerals: GALENAYear: 2017Country: Rwanda