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90 samples matching your criteria
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Sample n°7014 : red crust on clayMinerals: MINIUMYear:Country: Congo (RDC)
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Sample n°7015 : blue fragment (15 mm)Minerals: CORUNDUMYear:Country: Congo (RDC)
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Sample n°7016 : bluish fragment (3 cm)Minerals: CORUNDUMYear:Country: Congo (RDC)
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Sample n°7017 : brown fragments (1 cm)Minerals: CORUNDUMYear:Country: Congo (RDC)
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Sample n°7019 : blue concentrate (2 mm)Minerals: CORUNDUMYear:Country: Congo (RDC)
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Sample n°7020 : concentrateMinerals: CORUNDUMYear: 1959Country: Congo (RDC)
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Sample n°7024 : grey, massiveMinerals: HEMATITEYear: 1959Country: Congo (RDC)
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Sample n°7025 : red powderMinerals: HEMATITEYear: 1959Country: Congo (RDC)
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Sample n°7026 : acicular prismatic crystal (0.5 cm)Minerals: HEMATITEYear:Country: Congo (RDC)
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Sample n°7027 : black concentrate (8 mm)Minerals: ILMENITEYear:Country: Congo (RDC)