Mineralogy Database

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7938 samples matching your criteria

  • Sample n°8010 : clear prismatic crystals (4-8 cm)
    Minerals: QUARTZ
    Year: 1950
    Country: Congo (RDC)
  • Sample n°8011 : debris of crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°8012 : group of clear crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°8013 : specular blocks
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°8014 : var. chiastolite
    Minerals: ANDALUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°8015 : geode with white needles (2 mm) in orange goethite
    Minerals: GOETHITE BARYTE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°8016 : core sample of red granular analcimolite
    Minerals: ANALCIME
    Year:
    Country: Congo (RDC)
  • Sample n°8018 : black tabular crystals in rock with syenitic texture
    Minerals: HORNBLENDE
    Year:
    Country: Congo (RDC)
  • Sample n°8021 : white prismatic crystals (1-5 cm) in vein with microgranular black tourmaline
    Minerals: TOPAZ TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8022 : vein with topaz crystals along sides, followed by tourmaline infilling
    Minerals: TOPAZ TOURMALINE
    Year:
    Country: Congo (RDC)
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