Mineralogy Database

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22 samples matching your criteria

  • Sample n°5479 : beige porcelain-textured block (10 cm)
    Minerals: CHALCEDONY (quartz)
    Year: 1964
    Country: Rwanda
  • Sample n°8588 : white clayey anthoinite debris (3 cm), yellow hydrokenoesmoreite (var. ferritungstite) coatings
    Minerals: ANTHOINITE HYDROKENOELSMOREITE
    Year:
    Country: Rwanda
  • Sample n°10246 : brown octahedral crystals (1-3 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10319 : black crystal (4 cm) with yellow coating
    Minerals: FERBERITE TUNGSTITE
    Year:
    Country: Rwanda
  • Sample n°10320 : white clayey debris
    Minerals: ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°10321 : mineralised graphitic schist (8 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°15968 : well-developed prismatic crystal
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°15943 : large single crystal (5 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°17083 : large euhedral ferberite crystals, partly altered to anthoinite
    Minerals: ANTHOINITE FERBERITE
    Year: 2010
    Country: Rwanda
  • Sample n°17416 : fine-grained alteration of ferberite
    Minerals: TUNGSTITE
    Year: 2016
    Country: Rwanda
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