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42 samples matching your criteria
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Sample n°10512 : yellowish clayey block (7 cm)Minerals: TALCYear:Country: Rwanda
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Sample n°10514 : white fibrous block (15 cm)Minerals: TREMOLITEYear:Country: Rwanda
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Sample n°10515 : blue amphibolite (12 cm) with sulfidesMinerals: HOLMQUISTITE PYRITEYear:Country: Rwanda
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Sample n°10516 : diverging green fibres (4 cm) in actinoliteMinerals: ACTINOLITEYear:Country: Rwanda
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Sample n°9591 : cassiterite in greisenMinerals: CASSITERITEYear: 1962Country: Rwanda
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Sample n°9594 : coarse-grained greisenMinerals: MUSCOVITE QUARTZYear: 1962Country: Rwanda
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Sample n°9140 : white hexagonal crystal fragmentMinerals: BERYLYear: 1962Country: Rwanda
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Sample n°9593 : cassiterite-bearing pegmatiteMinerals: CASSITERITEYear: 1962Country: Rwanda
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Sample n°9570 : white hexagonal crystal fragmentsMinerals: BERYLYear:Country: Rwanda
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Sample n°9573 : hexagonal crystal fragmentsMinerals: BERYLYear:Country: Rwanda