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44 samples matching your criteria
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Sample n°20466 : coarse-crystalline coatingMinerals: SIDERITEYear: 1971Country: Algeria
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Sample n°20467 : tabular crystals on matrix and coarse-crystalline fragmentsMinerals: BARYTEYear: 1971Country: Algeria
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Sample n°20468 : tchick coatingMinerals: CALCITEYear: 1971Country: Algeria
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Sample n°20469 : irregular crust fragmentsMinerals: GYPSUMYear: 1971Country: Algeria