Mineralogy Database

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71 samples matching your criteria

  • Sample n°10693 : black crystals (1-4 cm)
    Minerals: CASSITERITE
    Year: 1965
    Country: Rwanda
  • Sample n°10695 : plates (1 cm)
    Minerals: BIOTITE
    Year:
    Country: Rwanda
  • Sample n°10697 : white block (15 cm)
    Minerals: ALBITE
    Year:
    Country: Rwanda
  • Sample n°10698 : white feldspar-rich block (10 cm)
    Minerals: FLUORAPATITE
    Year:
    Country: Rwanda
  • Sample n°10701 : pale purple amphibolite, being altered to clay
    Minerals: HOLMQUISTITE
    Year: 1965
    Country: Rwanda
  • Sample n°13355 : purple amphibolite (14 cm)
    Minerals: HOLMQUISTITE
    Year:
    Country: Rwanda
  • Sample n°13356 : metallic spots on blue amphibolite (8 cm)
    Minerals: HOLMQUISTITE PYRITE
    Year:
    Country: Rwanda
  • Sample n°13365 : black octahedra (1 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°14327 : crystals with black cross (3-10 cm), var. chiastolite
    Minerals: ANDALUSITE
    Year: 1983
    Country: Rwanda
  • Sample n°9608 : vein quartz in greisen
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Rwanda
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