Mineralogy Database

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7938 samples matching your criteria

  • Sample n°13774 : continuous coating on irregular substrate
    Minerals: HEMIMORPHITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13775 : whitish cerussite crystals on thin malachite-peudomalachite coating
    Minerals: CERUSSITE MALACHITE PSEUDOMALACHITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13776 : colourless to deep purple (cobalt-bearing) calcite
    Minerals: CALCITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13777 : well-developed cuprite crystals, elongated malachite crystals in small geode
    Minerals: COPPER CUPRITE MALACHITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°15909 : thick porous heterogenite crust on rock substrate, with associated secondary iron and copper minerals, with polished section
    Minerals: HETEROGENITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°15910 : thick heterogenite deposit on ochrous substrate, with local coatings of malachite crystals, with polished section
    Minerals: MALACHITE HETEROGENITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°15911 : silicified rock fragments with heterogenite coatings and impregnations
    Minerals: HETEROGENITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°2361 : cassiterite in greisen
    Minerals: CASSITERITE MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°11289 : malachite-impregnated cavernous quartzite
    Minerals: QUARTZ MALACHITE
    Year: 1967
    Country: Congo (RDC)
  • Sample n°3427 : green block with coarse-fibrous veins, derived from an ancient volcanic formation
    Minerals: ASBESTOS
    Year:
    Country: Congo (RDC)
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