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27 samples matching your criteria
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Sample n°14012 : yellow fragments (4 cm)Minerals: SULPHURYear: 1983Country: Ecuador
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Sample n°14053 : block with fibrous gypsum beds, with various small crystalsMinerals: GYPSUM ANHYDRITE SULPHURYear: 1984Country: USA
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Sample n°14114 : yellow crystalline mass (3 cm)Minerals: SULPHURYear: 1984Country: Tanzania
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Sample n°17264 : artificial product, from smelter operationMinerals: SULPHURYear: 2016Country: Congo (RDC)
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Sample n°16192 : fragmentsMinerals: SULPHURYear:Country: Congo (RDC)
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Sample n°18344 : yellow encrustationMinerals: SULPHURYear: 2017Country: Congo (RDC)
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Sample n°19324 : yellow massMinerals: SULPHURYear: 2020Country: Congo (RDC)