Mineralogy Database

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853 samples matching your criteria

  • Sample n°6711 : sawn fibrous block (5 cm)
    Minerals: PYROLUSITE
    Year: 1954
    Country: India
  • Sample n°6712 : microgranular metallic block (4 cm)
    Minerals: PYROLUSITE
    Year: 1954
    Country: Germany
  • Sample n°6713 : black crystals in block (5 cm)
    Minerals: MANGANOSITE
    Year: 1954
    Country: Sweden
  • Sample n°6714 : purple-grey blocks with conchoidal fracture
    Minerals: MANGANESE OXIDES
    Year: 1954
    Country: Germany
  • Sample n°6715 : aggregate of brown fibres (5 cm), var. needle tin
    Minerals: CASSITERITE
    Year: 1954
    Country: Bolivia
  • Sample n°6716 : grey massive, var. ainalite
    Minerals: CASSITERITE
    Year: 1954
    Country: France
  • Sample n°6717 : golden crystals (5 mm) on limestone
    Minerals: CHALCOPYRITE
    Year: 1954
    Country: Germany
  • Sample n°6718 : polished section (5 cm)
    Minerals: COVELLITE BORNITE CHALCOPYRITE
    Year: 1954
    Country: Mexico
  • Sample n°6719 : sulfides (5 cm) with blue needles
    Minerals: COVELLITE
    Year: 1954
    Country: Italy
  • Sample n°6720 : black block (10 cm) with yelow metallic chalcopyrite
    Minerals: COVELLITE CHALCOPYRITE
    Year: 1954
    Country: USA
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