Mineralogy Database

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7945 samples matching your criteria

  • Sample n°20411 : impregnative forms and crystals, with associated other minerals, with polished section
    Minerals: CUPROSKLODOWSKITE VANDENBRANDEITE
    Year:
    Country: Congo (RDC)
  • Sample n°20412 : yellow crystals on conglomerate matrix
    Minerals: CARNOTITE
    Year:
    Country: Congo (RDC)
  • Sample n°20416 : green micaceous material, var. fuchsite
    Minerals: MUSCOVITE
    Year: 1930
    Country: Congo (RDC)
  • Minerals: NEPOUITE
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20418 : fragment of long crystal
    Minerals: STAUROLITE
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20419 : white aggregates in biotite-rich matrix with long tourmaline crystals
    Minerals: BIOTITE FELDSPAR TOURMALINE
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20424 : green vein
    Minerals: QUARTZ
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20425 : concentrate
    Minerals: COLUMBITE
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20431 : grains, from three localities, and one specimen without provenance from same collection
    Minerals: GOLD
    Year:
    Country: Congo (RDC)
  • Sample n°20432 : thin vein
    Minerals: CHALCOPYRITE
    Year:
    Country: Congo (RDC)