Mineralogy Database

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3 samples matching your criteria

  • 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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