Mineralogy Database

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1477 samples matching your criteria

  • Sample n°9969 : aggregate of fibres along contact with pink granite
    Minerals: ARFVEDSONITE
    Year: 1953
    Country: Congo (RDC)
  • Sample n°9970 : grey needles (12 cm) in micaceous quartz
    Minerals: ARFVEDSONITE QUARTZ
    Year: 1953
    Country: Congo (RDC)
  • Sample n°10098 : vein debris
    Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°10099 : granular
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°10154 : white stony prismatic crystal (5 cm)
    Minerals: BERYL
    Year:
    Country: Congo (RDC)
  • Sample n°10155 : massive ore (40 cm)
    Minerals: ARSENOPYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°10582 : massive black tourmaline in pegmatite
    Minerals: TOURMALINE
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10584 : grey fragment with fibrous texture (12 cm)
    Minerals: BISMUTITE
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10585 : altered beige and purplish grey block (15 cm)
    Minerals: BISMUTITE MANGANESE OXIDES
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10586 : mixed block with brown frondelite fibres and purple phosphosiderite crust
    Minerals: FRONDELITE ROCKBRIDGEITE HUREAULITE PHOSPHOSIDERITE
    Year:
    Country: Congo (RDC)
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