Mineralogy Database

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1091 samples matching your criteria

  • Sample n°274 : tourmaline crystals (3 mm) in quarzite
    Minerals: TOURMALINE QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°289 : crystal (15 cm)
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°290 : transparent prismatic crystals
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°301 : small clear crystals
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°339 : white block
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°341 : reniform yellow block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°344 : massive, blue
    Minerals: QUARTZ
    Year: 1910
    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)
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