Mineralogy Database

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20 samples matching your criteria

  • Sample n°10770 : crystals in feldspar-bearing calcareous rock
    Minerals: AXINITE FELDSPAR
    Year: 1965
    Country: Burkina Faso
  • Sample n°11360 : crystals (1 cm) in amphibolite
    Minerals: HORNBLENDE
    Year:
    Country: Burkina Faso
  • Sample n°11361 : fibro-radial pyrolusite layers in black mass
    Minerals: PYROLUSITE MANGANESE OXIDES
    Year:
    Country: Burkina Faso
  • Sample n°11362 : fayalite in laterite matrix
    Minerals: GOETHITE FAYALITE
    Year:
    Country: Burkina Faso
  • Sample n°12905 : massive green rock
    Minerals: EPIDOTE
    Year:
    Country: Burkina Faso
  • Sample n°12906 : yellow lamellae
    Minerals: OPAL
    Year:
    Country: Burkina Faso
  • Sample n°12907 : pisolithic bauxite
    Minerals: unspecified
    Year:
    Country: Burkina Faso
  • Sample n°12908 : pisolithic bauxite
    Minerals: unspecified
    Year:
    Country: Burkina Faso
  • Sample n°12909 : impregnation in red quartz vein
    Minerals: MALACHITE QUARTZ
    Year:
    Country: Burkina Faso
  • Sample n°13188 : microgranular metallic block
    Minerals: STIBNITE
    Year: 1974
    Country: Burkina Faso
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