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21 samples matching your criteria
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Sample n°5881 : oxidised oreMinerals: CHALCOCITE MALACHITEYear: 1951Country: Congo (RDC)
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Sample n°5882 : small crystalline blocksMinerals: PYRITEYear: 1951Country: Congo (RDC)
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Sample n°5884 : fibro-radial malachite nodules, altered cubic pyrite crystalsMinerals: MARCASITE PYRITEYear:Country: Unknown
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Sample n°8008 : white debrisMinerals: QUARTZYear:Country: Congo (RDC)
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Sample n°8009 : altered crystals (3-8 cm)Minerals: QUARTZYear:Country: Congo (RDC)
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Sample n°8010 : clear prismatic crystals (4-8 cm)Minerals: QUARTZYear: 1950Country: Congo (RDC)
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Sample n°8011 : debris of crystalsMinerals: QUARTZYear:Country: Congo (RDC)
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Sample n°8012 : group of clear crystalsMinerals: QUARTZYear:Country: Congo (RDC)
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Sample n°8013 : specular blocksMinerals: HEMATITEYear:Country: Congo (RDC)
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Sample n°2466 : fragments of well-developed orange-brown coatingsMinerals: QUARTZYear:Country: Congo (RDC)