Mineralogy Database

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111 samples matching your criteria

  • Sample n°10246 : brown octahedral crystals (1-3 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10289 : massive black wolframite in quartz (10 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10330 : octahedral mass (5 cm)
    Minerals: WOLFRAMITE
    Year: 1963
    Country: Rwanda
  • Sample n°10337 : purplish black crystalline mass (11 cm)
    Minerals: WOLFRAMITE
    Year: 1963
    Country: Rwanda
  • Sample n°10370 : plates (3 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10381 : black and brown anhedral crystals in vein quartz
    Minerals: CASSITERITE WOLFRAMITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10454 : bright black tabular crytals (1-4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10491 : black block (4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10615 : bright black tabular crystams (2 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°11260 : bright black plates (2-4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
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