Mineralogy Database

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139 samples matching your criteria

  • Sample n°7984 : black plates (1 cm)
    Minerals: COLUMBITE
    Year:
    Country: Congo (RDC)
  • Sample n°7985 : microgranular black blocks
    Minerals: GRAPHITE
    Year:
    Country: Congo (RDC)
  • Sample n°7986 : bright black octahedral crystals (1 cm) and rounded fragments
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°7987 : flattened crystal
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°7989 : black crystals (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°7990 : fibrous prismatic crystal (6 cm) in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°7991 : black coatings (6 cm) in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°7992 : translucent brown twinned crystals (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°7993 : large brown crystals
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°7994 : grey crystals
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
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