Mineralogy Database

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327 samples matching your criteria

  • Sample n°303 : pieces with earthy yellow coatings (natrojarosite)
    Minerals: GYPSUM NATROJAROSITE
    Year: 1904
    Country: Congo (RDC)
  • Sample n°309 : garnet rhombododecahedrons (1 cm), black tourmaline needles
    Minerals: GARNET TOURMALINE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°314 : rhombododecahedrons (1 cm) in micaschist
    Minerals: GARNET
    Year: 1912
    Country: Congo (RDC)
  • Sample n°323 : red ore
    Minerals: HEMATITE GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°330 : brown platelets on pegmatite
    Minerals: PHLOGOPITE
    Year:
    Country: Congo (RDC)
  • Sample n°331 : white cleaved blocks
    Minerals: MICROCLINE
    Year:
    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°408 : plates
    Minerals: MUSCOVITE
    Year:
    Country: Congo (RDC)
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