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231 samples matching your criteria
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Sample n°2659 : dark blue massive bands (plancheite)Minerals: KATANGITE (plancheite) PLANCHEITE CALCITEYear: 1923Country: Congo (RDC)
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Sample n°2660 : zoned sample, with cobalt-bearing calciteMinerals: CALCITE DIOPTASE MALACHITE TENORITEYear: 1950Country: Congo (RDC)
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Sample n°2661 : large blue plancheite scalenohedrons (2 cm), green dioptase crystals, pseudomorphism after calciteMinerals: DIOPTASE PLANCHEITEYear: 1923Country: Congo (RDC)
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Sample n°2662 : green scalenohedrons and normal crystals (dioptase), pseudomorphism after calciteMinerals: DIOPTASE KATANGITE (plancheite)Year: 1923Country: Congo (RDC)
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Sample n°2663 : dark green scalenohedrons (1 cm), pseudomorphism after calciteMinerals: DIOPTASEYear: 1923Country: Congo (RDC)
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Sample n°2664 : dark green scalenohedrons, pseudomorphism after calciteMinerals: DIOPTASEYear: 1923Country: Congo (RDC)
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Sample n°2665 : mixed oreMinerals: PLANCHEITE CUPRITE DIOPTASE KATANGITE (plancheite) MALACHITEYear: 1923Country: Congo (RDC)
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Sample n°2666 : pale blue stalactitic plancheite nodules, green dioptase crystalsMinerals: DIOPTASE PLANCHEITE KATANGITE (plancheite)Year: 1923Country: Congo (RDC)
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Sample n°2667 : crystals (0.5 cm)Minerals: DIOPTASE CALCITEYear: 1923Country: Congo (RDC)
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Sample n°2668 : dark green prismatic malachite crystalsMinerals: DIOPTASE MALACHITEYear: 1923Country: Congo (RDC)