Mineralogy Database

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7938 samples matching your criteria

  • Sample n°13206 : large metallic plate on quartz
    Minerals: HEMATITE ILMENITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13207 : oriented black prismatic crystals (2 cm) in beige microgranular rock
    Minerals: HORNBLENDE TITANITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13208 : black layered quartz vein
    Minerals: TOURMALINE QUARTZ
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13209 : black tourmaline in vein quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13210 : fragments of white and smoky quartz
    Minerals: QUARTZ
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13221 : large pink tabular crystals
    Minerals: SPODUMENE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13222 : sample with well-developed vandenbrandeite crystals, guilleminite crystals and powder, sengierite as olive-green powder, orange kasolite nodules, bottle-green malachite needles and crust, rust-coloured mica plates
    Minerals: GUILLEMINITE SENGIERITE VANDENBRANDEITE DIGENITE KASOLITE MALACHITE MICA
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13223 : sample with bundles of acicular cuprosklodowskite crystals, well developed vandenbrandeite crystals, malachite as bottle-green needles and green-blue crust
    Minerals: CUPROSKLODOWSKITE VANDENBRANDEITE MALACHITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13224 : sample with olive-green to dark green metamarthozite crystals, black-green needle-shaped demesmaekerite crystals, yellow guilleminite, malachite as bluish green needles and blue-green crust
    Minerals: DEMESMAEKERITE METAMARTHOZITE DIGENITE GUILLEMINITE MALACHITE WULFENITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13225 : sample with demesmaekerite as crystals with typical forms, guilleminite crystals and powder, metatorbernite as light green crystals and bottle-green tablets, malachite crystals and massive malachite, bright black digenite, saccharoidal quartz
    Minerals: DEMESMAEKERITE GUILLEMINITE DIGENITE HETEROGENITE MALACHITE METATORBERNITE QUARTZ
    Year: 1974
    Country: Congo (RDC)
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