Mineralogy Database

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402 samples matching your criteria

  • Sample n°10064 : red prismatic crystals (1-3 cm)
    Minerals: QUARTZ CHALCEDONY (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10065 : large plate of red prismatic crystals (1-2 cm)
    Minerals: QUARTZ CHALCEDONY (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10069 : geode of quartz crystals (5 mm), pistachio-green elongated epidote crystal
    Minerals: QUARTZ CHALCEDONY (quartz) EPIDOTE
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10070 : red and purple veined block
    Minerals: CHALCEDONY (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10071 : geode of small black crystals
    Minerals: QUARTZ CHALCEDONY (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10072 : banded pink material on fibrous quartz
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10074 : clear crystals (6 cm) on pink banded chalcedony
    Minerals: QUARTZ CHALCEDONY (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°11155 : block of grass-green prismatic crystals (15 cm), and pink cleavage fragments
    Minerals: ELBAITE
    Year: 1962
    Country: Rwanda
  • Sample n°2334 : cassiterite in greisen
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°2338 : tourmalinisation of quartzite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
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