Mineralogy Database

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34 samples matching your criteria

  • Sample n°13382 : ore nodules with metallic layers
    Minerals: MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°13591 : specular tabular material on calcite
    Minerals: MANGANITE CALCITE
    Year: 1978
    Country: South Africa
  • Sample n°13927 : small crystals with metallic lustre
    Minerals: MANGANITE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13928 : layers of needles with metallic lustre
    Minerals: MANGANITE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13931 : manganite crystals (cf. specimen RGM 13382)
    Minerals: PYROLUSITE MANGANITE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°16290 : massive (ferro-manganite)
    Minerals: MANGANITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°17069 : thin coating of fine fibrous hausmannite on manganite
    Minerals: HAUSMANNITE MANGANITE
    Year: 2013
    Country: Congo (RDC)
  • Sample n°17935 : complex stalactitic deposit
    Minerals: CRYPTOMELANE MANGANITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17937 : coating on porous substrate
    Minerals: MANGANITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17944 : crystals on partly stalactitic substrate
    Minerals: MANGANITE
    Year: 2017
    Country: Congo (RDC)
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