Mineralogy Database

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190 samples matching your criteria

  • Sample n°1947 : aggregates in quartz
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1948 : dark blue concentrate (8 mm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°1949 : bluish fragments (2-6 cm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°1950 : rounded zoned crystal (purple and white)
    Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1951 : colourless and purple prismatic crystal (15 cm)
    Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1952 : dull black rounded crystals (3 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°1953 : grey plates (1-3 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°1954 : bright plates (4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°1955 : bright black crystals in quartz
    Minerals: WOLFRAMITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1956 : purplish black massive blocks (5 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
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