Mineralogy Database

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7938 samples matching your criteria

  • Sample n°1530 : green crystals as crust and in geode in quartzite
    Minerals: MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°1531 : brown concentrate (1-15 mm)
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1544 : reworked grey crystals (4 cm)
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1546 : ochre brown concentrate (1-10 mm)
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°1548 : purple pyramidal crystals (3 and 5 cm)
    Minerals: AMETHYST (quartz)
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1555 : fibrous block (4 cm)
    Minerals: KYANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1556 : black needles (1 cm) in micaschist
    Minerals: ACTINOLITE
    Year:
    Country: Congo (RDC)
  • Sample n°1557 : massive block (10 cm)
    Minerals: PYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°1558 : breccious ferruginous substrate with manganse oxides
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°1561 : ochre crust on quartz and siderite
    Minerals: QUARTZ SIDERITE GOETHITE
    Year:
    Country: Congo (RDC)
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