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  3 samples matching your criteria
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        Sample n°5896 : isolated and grouped crystalsMinerals: QUARTZYear: 1956Country: Congo (RDC)
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        Sample n°5897 : specular hematiteMinerals: HEMATITE QUARTZYear: 1956Country: Congo (RDC)
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        Sample n°5898 : coarse-crystalline hematite with metallic lustre, in quartz veinMinerals: HEMATITE QUARTZYear: 1956Country: Congo (RDC)