Mineralogy Database

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2 samples matching your criteria

  • Sample n°6791 : block (7 cm) with prismatic crystals of clear and smoky quartz, white microcline crust
    Minerals: QUARTZ MICROCLINE
    Year: 1954
    Country: Portugal
  • Sample n°6825 : black ore with bright prismatic and tabular crystals
    Minerals: WOLFRAMITE
    Year: 1954
    Country: Portugal
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