Mineralogy Database

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475 samples matching your criteria

  • 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)
  • Sample n°3494 : massive specular hematite
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°3498 : mixed microgranular ore
    Minerals: HEMATITE MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°3499 : specular fibrous hematite
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°3502 : massive
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°3507 : geode with small clear crystals in iron-rich rock
    Minerals: QUARTZ HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°3511 : specular block
    Minerals: HEMATITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3512 : striated plates on quartzite
    Minerals: HEMATITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3531 : strongly altered uraninite sample
    Minerals: URANINITE HEMATITE
    Year: 1953
    Country: France
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