Mineralogy Database

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1534 samples matching your criteria

  • Sample n°4304 : divers concentrates, var. sapphire, var. ruby
    Minerals: CORUNDUM QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4319 : grey prismatic crystal (1 cm)
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4321 : concentrate (5 mm)
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4322.1 : striated crystal (1 cm)
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4322.2 : small crystal
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4339 : large brown crystals in vein quartz
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4340 : black plate resembling a pottery fragment
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4341 : black xyloidal cassiterite in pegmatite (10 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4343 : black crystals (1 cm) in micaceous schist
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4352 : black octahedral crystals (2 cm) in pegmatite (8 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
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