Mineralogy Database

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12 samples matching your criteria

  • Sample n°6651 : small black crystals on layered sandstone
    Minerals: CLAUSTHALITE
    Year: 1954
    Country: Germany
  • Sample n°6658 : quartz in geode, covered with small black needles
    Minerals: ZINKENITE
    Year: 1954
    Country: Germany
  • Sample n°6667 : sawn massive block (3 cm)
    Minerals: BOURNONITE
    Year: 1954
    Country: Germany
  • Sample n°6674 : crust of black sulfides
    Minerals: MIARGYRITE
    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
  • Sample n°6796 : white crystalline plate (7 cm)
    Minerals: PREHNITE
    Year: 1954
    Country: Germany
  • Sample n°6864 : pale green crystals (0.5-3 cm) on black rock
    Minerals: CHABAZITE
    Year: 1954
    Country: Germany
  • Sample n°10174 : geode (16 cm) with colourless hexagonal prismatic calcite crystals (0.5-2 cm) and massive black galena
    Minerals: CALCITE GALENA
    Year: 1954
    Country: Germany
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