Mineralogy Database

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948 samples matching your criteria

  • Sample n°4562 : black earthy block (4 cm)
    Minerals: WOLFRAMITE
    Year: 1954
    Country: Rwanda
  • Sample n°4577 : groups of parallel grey prismatic crystals (8-20 cm)
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4578 : short bipyramidal prismatic crystal (5 cm)
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4606 : concentrate composed of round brown crystals (5 mm)
    Minerals: GARNET
    Year: 1954
    Country: Rwanda
  • Sample n°4625 : yellow transparent plate with rust-coloured surface (10 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4626 : large transparent prismatic crystal (20 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4627 : prismatic pyramidal crystals (3 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4628 : debris of yellowish prismatic crystals (3 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4630 : yellow aggregate (3 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4659 : pink stony prismatic crystal (15 cm)
    Minerals: BERYL
    Year: 1954
    Country: Rwanda
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