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5 samples matching your criteria
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Sample n°6664 : crust of small crystals on purplish grey metallic blockMinerals: BOULANGERITEYear: 1954Country: Germany
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Sample n°11757 : aggregate of crystals (cm) on block (25 cm)Minerals: PYRITE SPHALERITE BOULANGERITEYear: 1968Country: Serbia
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Sample n°11767 : mixed sulfides as crusts and in geodes (7 cm)Minerals: SPHALERITE BOULANGERITE GALENAYear: 1968Country: Czech Republic
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Sample n°12301 : mixed ore (12 cm)Minerals: BOULANGERITE GALENA SPHALERITEYear: 1969Country: Czech Republic
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Sample n°19821 : fragmentsMinerals: ZINKENITE TEALLITE BOULANGERITE ANDORITE FRANCKEITEYear: 2022Country: Bolivia