Mineralogy Database

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7938 samples matching your criteria

  • Sample n°363 : altered material
    Minerals: HETEROGENITE HEMATITE MALACHITE
    Year: 1911
    Country: Congo (RDC)
  • Sample n°366 : altered rock
    Minerals: TALC
    Year: 1911
    Country: Congo (RDC)
  • Sample n°368 : massive
    Minerals: TALC
    Year: 1911
    Country: Congo (RDC)
  • Sample n°374 : clear prismatic crystals (8 cm) with black inclusions
    Minerals: QUARTZ RUTILE
    Year: 1920
    Country: Congo (RDC)
  • Sample n°375 : grey fibres in quartz
    Minerals: TREMOLITE QUARTZ
    Year: 1920
    Country: Congo (RDC)
  • Sample n°377 : corroded clear prismatic crystals (10 cm)
    Minerals: QUARTZ
    Year: 1920
    Country: Congo (RDC)
  • Sample n°381 : black fibrous block (5 cm)
    Minerals: TOURMALINE ILMENITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°382 : pink mixed concentrate
    Minerals: GARNET ZIRCON
    Year: 1913
    Country: Congo (RDC)
  • Sample n°383 : spots (pyrite) in limestone
    Minerals: PYRITE CALCITE PHLOGOPITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°384 : bundles of prismatic crystals in micaschist
    Minerals: TOURMALINE
    Year: 1913
    Country: Congo (RDC)
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