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297 samples matching your criteria
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Sample n°10232 : blue and green chrysocolla impregnationsMinerals: CHRYSOCOLLA CALCITEYear:Country: Congo (RDC)
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Sample n°10234 : massive with dark blue spotsMinerals: CHRYSOCOLLAYear:Country: Congo (RDC)
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Sample n°10235 : small massive block with conchoidal fracture, one polished face, small chrysocolla vein (1 mm)Minerals: TENORITE CHRYSOCOLLAYear: 1964Country: Congo (RDC)
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Sample n°10762 : fine blue plancheite needlesMinerals: PLANCHEITE CHRYSOCOLLA MALACHITEYear: 1965Country: Congo (RDC)
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Sample n°10772 : pale green and blue fibrous crust on quartz block (7 cm)Minerals: CHRYSOCOLLAYear: 1965Country: USA
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Sample n°10795 : nodules (malachite), shiny black crust (heterogenite)Minerals: HETEROGENITE CHRYSOCOLLA MALACHITEYear:Country: Congo (RDC)
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Sample n°10817 : cryptocrystalline crustMinerals: HETEROGENITE CHRYSOCOLLA MALACHITEYear:Country: Congo (RDC)
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Sample n°11134 : fragment with green coatings and nodulesMinerals: CHRYSOCOLLAYear: 1966Country: Israel
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Sample n°11280 : coating of calcite crystalsMinerals: CALCITE CHRYSOCOLLAYear:Country: Congo (RDC)
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Sample n°11451 : green debris (cm)Minerals: CHRYSOCOLLA MALACHITEYear: 1967Country: Mexico