Mineralogy Database

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100 samples matching your criteria

  • Sample n°12890 : brown crystals in ferruginous matrix
    Minerals: WOLFRAMITE GOETHITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12943 : black crystalline blocks (6-8 cm)
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Rwanda
  • Sample n°12951 : black block with white crust
    Minerals: WOLFRAMITE KAOLINITE
    Year: 1972
    Country: Rwanda
  • Sample n°13124 : black crystals (3 cm) in vein quartz
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Rwanda
  • Sample n°13182 : black material on quartz
    Minerals: WOLFRAMITE
    Year: 1974
    Country: Uganda
  • Sample n°13477 : bright black crystals (5-30 mm), isolated and in rock matrix
    Minerals: WOLFRAMITE
    Year: 1977
    Country: Australia
  • Sample n°13829 : black pyramidal crystal (5 cm)
    Minerals: SCHEELITE WOLFRAMITE
    Year: 1980
    Country: South Korea
  • Sample n°15987 : coarse-crystalline intergrowth
    Minerals: WOLFRAMITE TUNGSTITE
    Year:
    Country: Rwanda
  • Sample n°18675 : fragments
    Minerals: WOLFRAMITE
    Year:
    Country: Niger
  • Sample n°16072 : wolframite in quartz vein
    Minerals: WOLFRAMITE
    Year: 1974
    Country: Uganda
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