Mineralogy Database

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111 samples matching your criteria

  • Sample n°12722 : bright prismatic crystals (5 cm) in quartz
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12723 : black tabular crystals (10 cm) in vein quartz
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12748 : black wolframite on vein quartz
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12751 : black and brown crystals on sacchariodal quartz
    Minerals: WOLFRAMITE CASSITERITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12755 : brown concentrate (1 cm)
    Minerals: WOLFRAMITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12760 : geodic block with black wolframite crystals and brown cassiterite crystals
    Minerals: WOLFRAMITE CASSITERITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12811 : black crystals (1 cm) disseminated in rock
    Minerals: WOLFRAMITE
    Year: 1972
    Country: South Africa
  • 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
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