Mineralogy Database

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49 samples matching your criteria

  • Sample n°2049 : altered crystals
    Minerals: COLUMBITE
    Year:
    Country: Congo (RDC)
  • Sample n°3084 : prismatic crystal in greisen along contact with quartzite
    Minerals: SCHORL
    Year: 1913
    Country: Congo (RDC)
  • Sample n°5827 : prismatic crystal with triangular cross-section, lithic tourmaline, var. rubellite
    Minerals: ELBAITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°7080 : massive block, pearly lustre
    Minerals: MICA
    Year:
    Country: Congo (RDC)
  • Sample n°7988 : black crystals in iron-rich greisen
    Minerals: CASSITERITE
    Year: 1943
    Country: Congo (RDC)
  • Sample n°16237 : cassiterite in quartz-muscovite matrix
    Minerals: CASSITERITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°17635 : coarse-crystalline cassiterite in greisen
    Minerals: CASSITERITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17637 : longitudinal sections of large crystals in schist matrix, var. chiastolite
    Minerals: ANDALUSITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17638 : biotite crystals in schist matrix
    Minerals: BIOTITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17639 : large plates
    Minerals: MUSCOVITE
    Year: 2017
    Country: Congo (RDC)