Mineralogy Database
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288 samples matching your criteria
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Sample n°6947 : small yellow fibres in debrisMinerals: MIMETITEYear: 1954Country: USA
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Sample n°6976 : clayey block with conchoidal fracture (7 cm), bentoniteMinerals: MONTMORILLONITEYear: 1954Country: USA
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Sample n°6980 : debris (2 cm)Minerals: SANBORNITEYear:Country: USA
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Sample n°6982 : white debrisMinerals: PROBERTITEYear:Country: USA
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Sample n°6983 : white bundles (2 cm)Minerals: MEYERHOFFERITEYear:Country: USA
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Sample n°6984 : white powderMinerals: KERNITEYear:Country: USA
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Sample n°6986 : scattered black aggregates in matrix, with associated secondary mineralsMinerals: URANINITEYear: 1958Country: USA
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Sample n°6987 : debrisMinerals: SHATTUCKITEYear:Country: USA
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Sample n°7193 : sample with yellow meta-autunite plates, radial aggregates of bright yellow uranophane crystalsMinerals: META-AUTUNITE URANOPHANEYear: 1959Country: USA
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Sample n°7195 : small crystals in purple lava (4 cm)Minerals: FORSTERITE TRIDYMITEYear: 1959Country: USA