Mineralogy Database

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7938 samples matching your criteria

  • Sample n°1499 : concentrate and debris of crystals
    Minerals: CASSITERITE
    Year: 1945
    Country: Congo (RDC)
  • Sample n°1502 : black scoriaceous rock
    Minerals: MANGANESE OXIDES
    Year: 1945
    Country: Congo (RDC)
  • Sample n°1506.2 : damaged prismatic crystals (2 cm)
    Minerals: QUARTZ
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1513 : black crystals (1 cm) in vein quartz
    Minerals: WOLFRAMITE QUARTZ
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1515 : black wolframite crystals, shapeless yellow topaz
    Minerals: TOPAZ WOLFRAMITE
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1517 : black crystals (5 mm) in granular quartz
    Minerals: WOLFRAMITE QUARTZ
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1518 : black spots in altered granular quartz matrix
    Minerals: CASSITERITE WOLFRAMITE QUARTZ
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1521 : alluvial pebbles (2 cm)
    Minerals: CASSITERITE
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1522 : yellow topaz in altered pegmatite
    Minerals: TOPAZ MUSCOVITE QUARTZ
    Year: 1945
    Country: Congo (RDC)
  • Sample n°1527 : black crystals (2 cm) in vein quartz
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
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