Mineralogy Database

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1151 samples matching your criteria

  • Sample n°17915 : alteration product with reticulate patterns, on rock substrate
    Minerals: ANTHOINITE FERBERITE
    Year: 2017
    Country: Rwanda
  • Sample n°17916 : large crystal fragment
    Minerals: COLUMBITE
    Year: 2017
    Country: Rwanda
  • Sample n°17917 : abundant crystals in rock matrix
    Minerals: APATITE
    Year: 2017
    Country: Rwanda
  • Sample n°17923 : crystal fragments
    Minerals: CASSITERITE
    Year: 2017
    Country: Rwanda
  • Sample n°17924 : contact
    Minerals: AMBLYGONITE HETEROSITE
    Year: 2017
    Country: Rwanda
  • Sample n°17925 : stalactitic group
    Minerals: PYROLUSITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17926 : crust with coarsely undulating surface
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17927 : purple coating on manganese oxide substrate
    Minerals: VARISCITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17928 : botryoidal plate
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17929 : complex crust
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
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