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180 samples matching your criteria
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Sample n°6163.1 : long transparent prismatic crystalMinerals: CALCITEYear: 1958Country: Congo (RDC)
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Sample n°6163.2 : pale blue silky nodules (0.5 cm)Minerals: PLANCHEITE MALACHITEYear: 1958Country: Congo (RDC)
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Sample n°6164 : pink mass with cleavage, cobalt-bearing calciteMinerals: CALCITEYear: 1958Country: Congo (RDC)
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Sample n°6256 : geode with crystals (1 cm)Minerals: DIOPTASEYear: 1958Country: Congo (RDC)
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Sample n°6257 : geode with crystals (1 cm)Minerals: DIOPTASEYear: 1958Country: Congo (RDC)
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Sample n°6258 : broken crystals, cobalt-bearing calciteMinerals: CALCITE DIOPTASEYear: 1958Country: Congo (RDC)
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Sample n°6259 : massive tenoriteMinerals: DIOPTASE TENORITEYear: 1958Country: Congo (RDC)
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Sample n°6260.1 : cauliflower-like pale blue fibro-radial nodules (plancheite)Minerals: PLANCHEITE DIOPTASE KATANGITE (plancheite)Year: 1958Country: Congo (RDC)
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Sample n°6260.2 : broken dioptase crystals, white fibro-radial plancheite nodules (3 mm)Minerals: DIOPTASE CALCITE PLANCHEITEYear: 1958Country: Congo (RDC)
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Sample n°6261 : pale blue katangite pseudomorphic after calcite, green dioptase crystalsMinerals: DIOPTASE KATANGITE (plancheite)Year: 1958Country: Congo (RDC)