Mineralogy Database

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27 samples matching your criteria

  • Sample n°5509 : pink crystals in pegmatite
    Minerals: MICROCLINE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°5824 : pegmatite
    Minerals: MUSCOVITE FELDSPAR
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5828 : green coating on red breccious rock
    Minerals: MUSCOVITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°6587 : purple coatings and aggregates on manganese ore substrate
    Minerals: VARISCITE
    Year:
    Country: Congo (RDC)
  • Sample n°10075 : grey quartz crystals (1 cm), specular black hematite fibres, green microcrystalline and powdery epidote
    Minerals: EPIDOTE HEMATITE QUARTZ
    Year: 1963
    Country: Congo (RDC)
  • Sample n°10076 : dull black prismatic quartz crystals (2 cm), mass of white calcite nodules, olive-coloured powder (epidote)
    Minerals: CALCITE CHALCEDONY (quartz) EPIDOTE QUARTZ
    Year: 1963
    Country: Congo (RDC)
  • Sample n°10077 : transparent twinned crystal (13 cm)
    Minerals: CALCITE
    Year: 1963
    Country: Congo (RDC)
  • Sample n°10078 : transparent yellow calcite crystals
    Minerals: CALCITE QUARTZ
    Year: 1963
    Country: Congo (RDC)
  • Sample n°10079 : dull red prismatic quartz crystals and calcite crystals on dolerite
    Minerals: QUARTZ CHALCEDONY (quartz) CALCITE
    Year: 1963
    Country: Congo (RDC)
  • Sample n°10080 : yellow rhombohedral crystals
    Minerals: CALCITE
    Year: 1963
    Country: Congo (RDC)
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