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4 samples matching your criteria
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Sample n°6834 : rhombododecahedrons (5-8 mm), var. melaniteMinerals: ANDRADITEYear: 1954Country: Italy
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Sample n°6844 : crystals in volcanic rock substrateMinerals: NEPHELINEYear: 1954Country: Italy
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Sample n°6863 : white gonnardite nodules and white chabazite crystals in grey lavaMinerals: CHABAZITE GONNARDITEYear: 1954Country: Italy
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Sample n°11578 : white nodules on crust of bluish leucite crystalsMinerals: PHILLIPSITE LEUCITEYear: 1954Country: Italy