Mineralogy Database

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21 samples matching your criteria

  • Sample n°3479 : black fibro-radial crystals
    Minerals: MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°3480 : massive block
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°3481 : vein quartz
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3482 : columnar geode
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3483 : yellow with undulating surface
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3486 : fragment (5 cm)
    Minerals: BARYTE
    Year:
    Country: Congo (RDC)
  • Sample n°3489 : bluish black block
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°3490 : specular crystals in quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3492 : specular tabular crystals in geodic quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3493 : specular hematite, green malachite coating, in quartz vein
    Minerals: HEMATITE MALACHITE QUARTZ
    Year:
    Country: Congo (RDC)
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