Mineralogy Database

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65 samples matching your criteria

  • Sample n°16109 : purple fibrous block
    Minerals: CHAROITE
    Year:
    Country: Russia
  • Sample n°16110 : fragment with abundant acicular azoproite
    Minerals: AZOPROITE
    Year:
    Country: Russia
  • Sample n°16111 : lot of perfectly developed crystals of Nb-rich brookite (5 mm)
    Minerals: BROOKITE
    Year:
    Country: Russia
  • Sample n°15501 : coarse-grained, purple to white
    Minerals: CHAROITE
    Year: 1992
    Country: Russia
  • Sample n°19471 : pure aggregate (97 % C), with conchoidal fracture, vitreous lustre
    Minerals: SHUNGITE
    Year:
    Country: Russia
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