Mineralogy Database

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1097 samples matching your criteria

  • Sample n°6555 : black cassiterite in vein quartz
    Minerals: CASSITERITE MICA QUARTZ
    Year:
    Country: Rwanda
  • Sample n°6557.1 : debris in quartz
    Minerals: PYRITE QUARTZ
    Year: 1952
    Country: Congo (RDC)
  • Sample n°6561 : scoracious block with grey bismutite and brown tourmaline
    Minerals: BISMUTITE TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6563 : black coating and olive-green crust in geodic vein quartz
    Minerals: CASSITERITE SCORODITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6565 : yellow and brown crystals in geodic vein quartz
    Minerals: CASSITERITE PYRITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6588 : group of white prismatic crystals (3 cm)
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6655 : pink bladed crystals and bright black cubic crystals on block (6 cm)
    Minerals: ANHYDRITE SPHALERITE QUARTZ
    Year: 1954
    Country: Germany
  • Sample n°6684 : bundle of crystals (1 cm), on altered sulfides
    Minerals: MARCASITE QUARTZ
    Year: 1954
    Country: Germany
  • Sample n°6705 : inclusions in clear quartz crystal (2 cm)
    Minerals: RUTILE QUARTZ
    Year: 1954
    Country: Switzerland
  • Sample n°6791 : block (7 cm) with prismatic crystals of clear and smoky quartz, white microcline crust
    Minerals: QUARTZ MICROCLINE
    Year: 1954
    Country: Portugal
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