Mineralogy Database

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111 samples matching your criteria

  • 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°13779 : shiny brown crystal (12 cm)
    Minerals: WOLFRAMITE APATITE
    Year: 1960
    Country: Portugal
  • Sample n°13829 : black pyramidal crystal (5 cm)
    Minerals: SCHEELITE WOLFRAMITE
    Year: 1980
    Country: South Korea
  • Sample n°13868 : geode with large black wolframite crystals and green apatite crystals
    Minerals: APATITE QUARTZ WOLFRAMITE BIOTITE CALCITE PYRITE
    Year: 1980
    Country: Portugal
  • Sample n°13869 : block of mixed minerals (7 cm)
    Minerals: WOLFRAMITE APATITE PYRITE QUARTZ SCHEELITE
    Year: 1980
    Country: Portugal
  • Sample n°13870 : geode with large black wolframite crystals and green hexagonal apatite crystals
    Minerals: APATITE WOLFRAMITE CALCITE PYRITE
    Year: 1980
    Country: Portugal
  • Sample n°15987 : coarse-crystalline intergrowth
    Minerals: WOLFRAMITE TUNGSTITE
    Year:
    Country: Rwanda
  • Sample n°18675 : fragments
    Minerals: WOLFRAMITE
    Year:
    Country: Niger