Mineralogy Database

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4831 samples matching your criteria

  • Sample n°16233 : bright yellow fine-grained mass
    Minerals: DUMONTITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16237 : cassiterite in quartz-muscovite matrix
    Minerals: CASSITERITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16238 : massive
    Minerals: ARSENOPYRITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16240 : thin layered crust
    Minerals: CHRYSOCOLLA
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16243 : fragment with fibro-radial and other textures
    Minerals: MALACHITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16247 : fragment of large well-developed cuprite crystal, with thin malachite coating
    Minerals: CUPRITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°16251 : massive arsenopyrite, in pegmatite
    Minerals: ARSENOPYRITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16252 : coarse-crystalline, partly elongated prismatic
    Minerals: TOURMALINE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16253 : pale blue elongated crystals in brownish groundmass
    Minerals: KYANITE QUARTZ
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16255 : thick horizontal band, vertical veins
    Minerals: CHALCOCITE
    Year: 2009
    Country: Congo (RDC)
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