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  4 samples matching your criteria
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        Sample n°4448 : dull black crystals (1-4 cm)Minerals: COLUMBITE TANTALITEYear: 1954Country: Rwanda
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        Sample n°4604 : pentagonal dodecahedron (1 cm)Minerals: GARNETYear: 1954Country: Rwanda
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        Sample n°9925 : purple purpurite in greisen (10 cm)Minerals: PURPURITEYear:Country: Rwanda
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        Sample n°9926 : scoriaceous block of mixed phosphates (10 cm)Minerals: HETEROSITE DUFRENITEYear:Country: Rwanda