Mineralogy Database

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7938 samples matching your criteria

  • Sample n°3127 : bright crust with undulating surface
    Minerals: OPAL
    Year:
    Country: Congo (RDC)
  • Sample n°3128 : sample with autunite covered by chalcedony, on micaschist with tourmaline
    Minerals: CHALCEDONY (quartz) AUTUNITE TOURMALINE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3131 : plate-shaped crystals (20 cm)
    Minerals: MUSCOVITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3132 : bundles of pink prismatic crystals in pegmatite, var. rubellite
    Minerals: ELBAITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3137 : crystals on quartz
    Minerals: PYRITE QUARTZ
    Year: 1948
    Country: Congo (RDC)
  • Sample n°3138 : small bright flattened crystals
    Minerals: MALACHITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3139 : small zoned polished block
    Minerals: MALACHITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3140 : velvety fibres
    Minerals: MALACHITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3141 : green nodules covered with blue coatings
    Minerals: CHRYSOCOLLA MALACHITE TENORITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3142 : vitreous block
    Minerals: CHRYSOCOLLA
    Year: 1952
    Country: Congo (RDC)
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