Mineralogy Database

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7938 samples matching your criteria

  • Sample n°3507 : geode with small clear crystals in iron-rich rock
    Minerals: QUARTZ HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°3509 : stacked white plates
    Minerals: BARYTE
    Year:
    Country: Congo (RDC)
  • Sample n°3510 : microcrystalline aggregate in ferruginous substrate
    Minerals: DESCLOIZITE
    Year:
    Country: Congo (RDC)
  • Sample n°3511 : specular block
    Minerals: HEMATITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3512 : striated plates on quartzite
    Minerals: HEMATITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3513 : microcrystalline layer in red sandstone
    Minerals: DIOPTASE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3514 : pale blue fibro-radial plancheite nodules, blue powder (katangite), in red ochrous material
    Minerals: PLANCHEITE DIOPTASE KATANGITE (plancheite)
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3516 : oxidised ore
    Minerals: CHALCOCITE CUPRITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°3517 : ochrous ore with geode with green malachite crystals
    Minerals: CHALCOCITE KATANGITE (plancheite) MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°3518 : oxidised ore, with polished section
    Minerals: CHALCOCITE CHALCOPYRITE KATANGITE (plancheite) MALACHITE
    Year: 1951
    Country: Congo (RDC)
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