Mineralogy Database

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131 samples matching your criteria

  • Sample n°6764 : small black needles on rock
    Minerals: KERMESITE
    Year: 1954
    Country: Germany
  • Sample n°6770 : blue transparent cubic crystals (1-4 cm)
    Minerals: HALITE
    Year: 1954
    Country: Germany
  • Sample n°6771 : pink and white crystalline blocks (5 cm)
    Minerals: SYLVITE
    Year: 1954
    Country: Germany
  • Sample n°6781 : white clayey debris, and small crystals (5 mm)
    Minerals: BORACITE
    Year: 1954
    Country: Germany
  • Sample n°6787 : bundle of acicular prismatic crystals (5 cm)
    Minerals: STRONTIANITE
    Year: 1954
    Country: Germany
  • Sample n°6796 : white crystalline plate (7 cm)
    Minerals: PREHNITE
    Year: 1954
    Country: Germany
  • Sample n°6816 : brown crystals in breccious quartz
    Minerals: EULYTITE CHALCEDONY (quartz) QUARTZ
    Year: 1954
    Country: Germany
  • Sample n°6819 : granular black mass on gangue material
    Minerals: BRAUNITE PYROLUSITE BARYTE
    Year: 1954
    Country: Germany
  • Sample n°6833 : crust of black prismatic crystals (7 mm)
    Minerals: HEDENBERGITE
    Year: 1954
    Country: Germany
  • Sample n°6848 : black lava with white grains
    Minerals: LEUCITE
    Year: 1954
    Country: Germany
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