Mineralogy Database

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1547 samples matching your criteria

  • Sample n°13925 : zoned blocks (4-9 cm)
    Minerals: BERLINITE MONTEBRASITE SCORZALITE APATITE MICA QUARTZ RUTILE
    Year: 1965
    Country: Rwanda
  • Sample n°13926 : black bertossaite and white montebrasite on pale blue block
    Minerals: BERTOSSAITE MONTEBRASITE TROLLEITE
    Year:
    Country: Rwanda
  • Sample n°13938 : blocks of white silky fibres
    Minerals: ACTINOLITE
    Year:
    Country: Rwanda
  • Sample n°13945 : quartz with earthy black ferberite masses, altered to yellow tungstite and white anthoinite, blocks of 8-15 cm
    Minerals: ANTHOINITE FERBERITE TUNGSTITE QUARTZ
    Year: 1982
    Country: Rwanda
  • Sample n°13946 : black crystals altered to yellow tungstite, in quartz matrix (7 cm)
    Minerals: FERBERITE TUNGSTITE
    Year: 1982
    Country: Rwanda
  • Sample n°13949 : no description available
    Minerals: BRAZILIANITE ARROJADITE
    Year:
    Country: Rwanda
  • Sample n°13950 : blocks of olive-green phosphates (15 cm)
    Minerals: BARBOSALITE HUREAULITE PHOSPHOSIDERITE
    Year: 1982
    Country: Rwanda
  • Sample n°13951 : block of mixed olive-green and brown phosphates
    Minerals: HUREAULITE LITHIOPHILITE ROCKBRIDGEITE TAVORITE
    Year: 1982
    Country: Rwanda
  • Sample n°13952 : earthy brown and rust-coloured block (10 cm)
    Minerals: CRYPTOMELANE
    Year: 1982
    Country: Rwanda
  • Sample n°13953 : blocks of mixed phosphates (4-6 cm)
    Minerals: LITHIOPHILITE TAVORITE
    Year: 1982
    Country: Rwanda
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