Mineralogy Database

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17 samples matching your criteria

  • Sample n°7038 : ochrous powder
    Minerals: TUNGSTITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°10319 : black crystal (4 cm) with yellow coating
    Minerals: FERBERITE TUNGSTITE
    Year:
    Country: Rwanda
  • Sample n°13945 : quartz with earthy black ferberite masses, altered to yellow tungstite and white anthoinite, blocks of 8-15 cm
    Minerals: ANTHOINITE FERBERITE TUNGSTITE QUARTZ
    Year: 1982
    Country: Rwanda
  • Sample n°13946 : black crystals altered to yellow tungstite, in quartz matrix (7 cm)
    Minerals: FERBERITE TUNGSTITE
    Year: 1982
    Country: Rwanda
  • Sample n°15987 : coarse-crystalline intergrowth
    Minerals: WOLFRAMITE TUNGSTITE
    Year:
    Country: Rwanda
  • Sample n°17186 : large ferberite block with abundant tungstite as alteration product
    Minerals: FERBERITE TUNGSTITE
    Year:
    Country: Congo (RDC)
  • Sample n°17416 : fine-grained alteration of ferberite
    Minerals: TUNGSTITE
    Year: 2016
    Country: Rwanda
  • Sample n°17888 : mass in quartz vein
    Minerals: TUNGSTITE
    Year: 2017
    Country: Rwanda
  • Sample n°17889 : highly altered ferberite
    Minerals: FERBERITE TUNGSTITE
    Year: 2017
    Country: Rwanda
  • Sample n°17891 : complex alteration
    Minerals: FERBERITE TUNGSTITE
    Year: 2017
    Country: Rwanda