Mineralogy Database

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131 samples matching your criteria

  • Sample n°6674 : crust of black sulfides
    Minerals: MIARGYRITE
    Year: 1954
    Country: Germany
  • Sample n°6682 : bright crystals (3 mm), disseminated in pink rock
    Minerals: ARSENOPYRITE
    Year: 1954
    Country: Germany
  • Sample n°6684 : bundle of crystals (1 cm), on altered sulfides
    Minerals: MARCASITE QUARTZ
    Year: 1954
    Country: Germany
  • Sample n°6712 : microgranular metallic block (4 cm)
    Minerals: PYROLUSITE
    Year: 1954
    Country: Germany
  • Sample n°6714 : purple-grey blocks with conchoidal fracture
    Minerals: MANGANESE OXIDES
    Year: 1954
    Country: Germany
  • Sample n°6717 : golden crystals (5 mm) on limestone
    Minerals: CHALCOPYRITE
    Year: 1954
    Country: Germany
  • Sample n°6725 : block (5 cm) with mineralisation in layers
    Minerals: SPHALERITE
    Year: 1954
    Country: Germany
  • Sample n°6744 : black metallic block (4 cm)
    Minerals: HAUSMANNITE
    Year: 1954
    Country: Germany
  • Sample n°6746 : fragments of fibro-radial cryust (3 cm)
    Minerals: MANGANITE
    Year: 1954
    Country: Germany
  • Sample n°6747 : block with black prismatic crystals (1 cm)
    Minerals: MANGANITE
    Year: 1954
    Country: Germany
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