Mineralogy Database

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10 samples matching your criteria

  • Sample n°2482 : small geodes in quartzite
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2483 : concretionary geodic block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2484 : concretionary geodic block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3364 : bright brown renifiorm block
    Minerals: HEMATITE
    Year: 1953
    Country: Congo (RDC)
  • Sample n°6586 : oxidised crystals on sandstone
    Minerals: PYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°12599 : brick-red crystal
    Minerals: FELDSPAR
    Year: 1957
    Country: Congo (RDC)
  • Sample n°17073 : interlocking elongated crystals
    Minerals: DIOPSIDE
    Year: 2013
    Country: Congo (RDC)
  • Sample n°1408 : geodic occurrence in white kaolinitic matrix
    Minerals: QUARTZ
    Year: 1946
    Country: Congo (RDC)
  • Sample n°18863 : fine-crystalline coating
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°18864 : thick coating
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
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