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18 samples matching your criteria
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Sample n°10768.1 : asbest-like variety, fine-grained debris, powderMinerals: PLANCHEITEYear:Country: Congo (Congo-Brazzaville)
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Sample n°10768.2 : debris of concretionsMinerals: PLANCHEITEYear:Country: Congo (Congo-Brazzaville)
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Sample n°11239 : cluster of small nodulesMinerals: PLANCHEITEYear:Country: Congo (Congo-Brazzaville)
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Sample n°17219 : coating of well-developed crystalsMinerals: DIOPTASEYear: 2015Country: Congo (Congo-Brazzaville)
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Sample n°18350 : fragment with abundant fine-grained hemimorphiteMinerals: HEMIMORPHITEYear: 2017Country: Congo (Congo-Brazzaville)
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Sample n°4243 : coatingMinerals: COPPERYear: 1954Country: Congo (Congo-Brazzaville)
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Sample n°19059 : dark blue radial aggregatesMinerals: DIOPTASEYear:Country: Congo (Congo-Brazzaville)
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Sample n°19373 : massive chalcocite with dioptase and malachite veinsMinerals: CHALCOCITE DIOPTASE MALACHITEYear: 2020Country: Congo (Congo-Brazzaville)