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154 samples matching your criteria
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Sample n°20227 : small dark purple spherocobaltite crystals on cobalt-bearing dolomiteMinerals: DOLOMITE SPHEROCOBALTITEYear: 2024Country: Congo (RDC)
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Sample n°20228 : complex crust, with moulds of scalenohedral crystalsMinerals: MALACHITE PLANCHEITEYear: 2024Country: Congo (RDC)
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Sample n°20229 : coarse-crystalline massMinerals: HEMATITEYear: 2024Country: Congo (RDC)
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Sample n°20230 : crystals in ferruginous matrixMinerals: RUTILEYear: 2024Country: Zambia