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141 samples matching your criteria
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Sample n°1045 : massive in pegmatiteMinerals: LEPIDOLITEYear: 1938Country: Congo (RDC)
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Sample n°1046 : plate-shaped muscovite crystals in garnet-bearing rockMinerals: MUSCOVITE GARNETYear: 1938Country: Congo (RDC)
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Sample n°1048 : crystals (cm) in pegmatiteMinerals: MUSCOVITEYear: 1938Country: Congo (RDC)
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Sample n°1049 : large reworked crystalsMinerals: SILLIMANITEYear: 1939Country: Congo (RDC)
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Sample n°1051 : block with quartz crystals (amethyst), covered by chalcedonyMinerals: CHALCEDONY (quartz) AMETHYST (quartz)Year: 1938Country: Congo (RDC)
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Sample n°1052 : red garnet crystals (3 mm) in micaschistMinerals: GARNETYear:Country: Congo (RDC)
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Sample n°1054 : red blocks with veinleits and geodes of blue and green quartz, pale blue layers of fibro-radial plancheite, fibrous green malachiteMinerals: PLANCHEITE MALACHITE QUARTZYear: 1910Country: Congo (RDC)
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Sample n°1055 : black massive material, with green coatingsMinerals: TENORITE MALACHITEYear: 1910Country: Congo (RDC)
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Sample n°1056 : layers of fibro-radial blue plancheite (1 cm) and other secondary minerals, in rock with quartz geodesMinerals: PLANCHEITE CHRYSOCOLLA MALACHITE PSEUDOMALACHITE QUARTZ VOLBORTHITEYear: 1910Country: Congo (RDC)
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Sample n°1058 : block with olive-green surfaceMinerals: VOLBORTHITEYear: 1910Country: Congo (RDC)