Mineralogy Database

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196 samples matching your criteria

  • Sample n°13894 : geode (10 cm), with some small black goethite crystals
    Minerals: GOETHITE AMETHYST (quartz)
    Year: 1981
    Country: Madagascar
  • Sample n°13895 : block of large pale blue altered plates
    Minerals: KYANITE
    Year: 1981
    Country: Madagascar
  • Sample n°13896 : pentagonal dodecahedrons (2 cm) in quartz
    Minerals: GARNET
    Year: 1981
    Country: Madagascar
  • Sample n°13897 : black crystals composed of stacked lamellae (4 cm)
    Minerals: BIOTITE ANHYDRITE CALCITE PYRITE
    Year: 1981
    Country: Madagascar
  • Sample n°13898 : large grey crystal (6 cm)
    Minerals: CALCITE CHALCOPYRITE
    Year: 1981
    Country: Madagascar
  • Sample n°13899 : green vein in soft rock
    Minerals: TALC
    Year: 1981
    Country: Madagascar
  • Sample n°14098 : layer of white fibres in green rock
    Minerals: FERROGEDRITE
    Year: 1984
    Country: Madagascar
  • Sample n°14099 : black prismatic crystal (10 cm)
    Minerals: HORNBLENDE
    Year: 1984
    Country: Madagascar
  • Sample n°14100 : olive-green prismatic crystal
    Minerals: FLUORAPATITE FELDSPAR TOURMALINE
    Year: 1984
    Country: Madagascar
  • Sample n°14101 : large broken prismatic crystal
    Minerals: SCHORL
    Year: 1984
    Country: Madagascar
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