Mineralogy Database

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581 samples matching your criteria

  • Sample n°13890 : green prismatic diopside crystal (2 cm)
    Minerals: DIOPSIDE CALCITE FLUORITE
    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°13919 : sample with long yellow uranophane crystals, calcite crystals, heterogenite nodules
    Minerals: URANOPHANE CALCITE HETEROGENITE MALACHITE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13982 : vein of needle-shaped malachite, geode of vitreous olive-coloured chalcedony
    Minerals: CALCITE MALACHITE CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°13987 : mineralised shells with microcrystalline metatyuyamunite crusts
    Minerals: METATYUYAMUNITE CALCITE
    Year: 1983
    Country: Iraq
  • Sample n°13991 : white mica plates on rhombohedral calcite crystals (5 cm)
    Minerals: COOKEITE CALCITE
    Year: 1983
    Country: France
  • Sample n°14007 : clear rhombohedral crystals (iceland spar) (5 cm)
    Minerals: CALCITE
    Year: 1983
    Country: India
  • Sample n°14038 : black coatings on rhombohedral calcite
    Minerals: ALLANITE-(Ce) CALCITE
    Year: 1983
    Country: France
  • Sample n°14063 : sample with yellow and orange metayuyamunite crystals (tabular, terminated), goethite as brown massive material and as acicular crystals, rhombohedral calcite crystals
    Minerals: MALACHITE METATYUYAMUNITE CALCITE CUPRITE GOETHITE METATORBERNITE
    Year: 1984
    Country: Congo (RDC)
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