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4 samples matching your criteria
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Sample n°6865 : grey crystalline crust on block (5 cm)Minerals: PHILLIPSITEYear: 1954Country: Czechoslovakia
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Sample n°10238 : bluish cordierite in biotite-bearing pegmatite (10 cm)Minerals: CORDIERITEYear: 1964Country: Czechoslovakia
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Sample n°11803 : green granular geode in basalt block (15 cm)Minerals: OLIVINE MAGNETITEYear: 1968Country: Czechoslovakia
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Sample n°12305 : massive crystalline blocks (7-13 cm)Minerals: GALENAYear: 1969Country: Czechoslovakia