Mineralogy Database

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1547 samples matching your criteria

  • Sample n°7973 : white block (12 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°7974 : stony prismatic crystals (4 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°7975 : grey bipyramidal prismatic crystals (1 cm) in geodic rock
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°7979 : black crystalline mass (10 cm) with enclosed quartz
    Minerals: FERBERITE ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°7982 : crystal (4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°7991 : black coatings (6 cm) in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°7992 : translucent brown twinned crystals (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°8383 : black plates (5-10 cm) in pegmatite
    Minerals: TANTALITE
    Year: 1959
    Country: Rwanda
  • Sample n°8384 : black altered crystals in greisen
    Minerals: TANTALITE
    Year: 1959
    Country: Rwanda
  • Sample n°8511 : plate-shaped crystals (1-6 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
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