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3 samples matching your criteria
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Sample n°852 : red crystals (feldspar), green plates (biotite)Minerals: BIOTITE FELDSPARYear:Country: Congo (RDC)
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Sample n°1728 : no description availableMinerals: FELDSPARYear:Country: Congo (RDC)
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Sample n°11157 : pink calcite crystals, mass of green tremolite fibresMinerals: CALCITE TREMOLITEYear: 1965Country: Congo (RDC)