Mineralogy Database

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103 samples matching your criteria

  • Sample n°5874 : plate-shaped crystals (1-5 cm)
    Minerals: MUSCOVITE
    Year: 1956
    Country: Rwanda
  • Sample n°5875 : pink blocks with prominent cleavage (4 cm)
    Minerals: FELDSPAR
    Year: 1956
    Country: Rwanda
  • Sample n°6005 : mixed sulfides in vein quartz (6 cm)
    Minerals: ARSENOPYRITE GALENA QUARTZ
    Year: 1957
    Country: Rwanda
  • Sample n°6006 : crystals with metallic lustre in vein quartz (6 cm)
    Minerals: GALENA QUARTZ
    Year: 1957
    Country: Rwanda
  • Sample n°6292 : yellow fragments (1-2 cm)
    Minerals: SILLIMANITE
    Year:
    Country: Rwanda
  • Sample n°6293 : brown fragments (1 cm)
    Minerals: STAUROLITE
    Year:
    Country: Rwanda
  • Sample n°8517 : blocks of muscovite-rich rock (6 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8525 : coatings and black needles in vein quartz (2-7 cm)
    Minerals: CASSITERITE TOURMALINE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8526 : crystals debris (cm) and spots in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8527 : fragments of mineralised pegmatite (6 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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