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19 samples matching your criteria
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Sample n°6657 : black ore (5 cm) with black needlesMinerals: BERTHIERITEYear: 1954Country: Germany
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Sample n°6682 : bright crystals (3 mm), disseminated in pink rockMinerals: ARSENOPYRITEYear: 1954Country: Germany
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Sample n°6684 : bundle of crystals (1 cm), on altered sulfidesMinerals: MARCASITE QUARTZYear: 1954Country: Germany
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Sample n°6712 : microgranular metallic block (4 cm)Minerals: PYROLUSITEYear: 1954Country: Germany
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Sample n°6725 : block (5 cm) with mineralisation in layersMinerals: SPHALERITEYear: 1954Country: Germany
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Sample n°6764 : small black needles on rockMinerals: KERMESITEYear: 1954Country: Germany
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Sample n°6781 : white clayey debris, and small crystals (5 mm)Minerals: BORACITEYear: 1954Country: Germany
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Sample n°6816 : brown crystals in breccious quartzMinerals: EULYTITE CHALCEDONY (quartz) QUARTZYear: 1954Country: Germany
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Sample n°6941 : pink micaceous plates (5 mm) on rock substrateMinerals: ERYTHRITEYear: 1954Country: Germany
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Sample n°7205 : sample with yellow meta-uranocircite lamellaeMinerals: META-URANOCIRCITEYear: 1959Country: Germany