Mineralogy Database

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7938 samples matching your criteria

  • Sample n°12661 : layered lateritic material
    Minerals: GOETHITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12662 : black wolframite coating, yellowish scorodite crust
    Minerals: SCORODITE WOLFRAMITE QUARTZ TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12663 : white crystals with black cross, in graphitic schist, var. chiastolite
    Minerals: ANDALUSITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12664 : massive black block
    Minerals: WOLFRAMITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12665 : mixed metallic encrustation on iron-rich rock
    Minerals: WOLFRAMITE MONAZITE RUTILE TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12666 : black scoriaceous block with brown surface
    Minerals: MANGANESE OXIDES
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12667 : purplish black debris (2 cm)
    Minerals: WOLFRAMITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12668 : crust of striated black prismatic crystals in pink sandstone
    Minerals: TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12669 : block of black ferberite crystals, small white pyrochlore crystals with square faces
    Minerals: FERBERITE PYROCHLORE QUARTZ TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12670 : mixed ore in white quartz
    Minerals: CHALCOPYRITE PYRITE SPHALERITE
    Year: 1972
    Country: Congo (RDC)
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