Mineralogy Database

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7938 samples matching your criteria

  • Sample n°2428 : dull black crystal (6 cm) and various fragments
    Minerals: FERBERITE
    Year:
    Country: Congo (RDC)
  • Sample n°2429 : black crystals (5 mm) in greisen
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°2431 : debris
    Minerals: HEMATITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°2434 : banded blue chalcedony in white clay
    Minerals: CHALCEDONY (quartz)
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2435 : rust-coloured plates
    Minerals: MUSCOVITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2436 : parallel corroded tabular crystals
    Minerals: MICROCLINE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2437 : block of parallel corroded tabular crystals
    Minerals: MICROCLINE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2439 : tabular crystals (4 cm)
    Minerals: MUSCOVITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2441 : debris
    Minerals: TOURMALINE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2442 : debris of crystals
    Minerals: TOURMALINE
    Year: 1937
    Country: Congo (RDC)
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