Mineralogy Database

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220 samples matching your criteria

  • Sample n°11249 : syenite (20 cm)
    Minerals: NEPHELINE
    Year:
    Country: Burundi
  • Sample n°11250 : grey syenite (12 cm)
    Minerals: NEPHELINE AEGIRINE
    Year: 1967
    Country: Burundi
  • Sample n°11251 : green prismatic crystal (10 cm) in white crystalline material (20 cm)
    Minerals: MARIALITE
    Year:
    Country: Burundi
  • Sample n°11261 : rust-coloured grey crystals (1-2 cm)
    Minerals: ILMENITE
    Year: 1967
    Country: Burundi
  • Sample n°11262 : honey-coloured prismatic crystals (1 cm)
    Minerals: MONAZITE
    Year: 1967
    Country: Burundi
  • Sample n°11263 : nodules of small crystals
    Minerals: MUSCOVITE
    Year: 1967
    Country: Burundi
  • Sample n°11264 : cubes (0.5-2 cm), as alteration products of pyrite crystals
    Minerals: GOETHITE
    Year: 1967
    Country: Burundi
  • Sample n°11282 : drill core sections, with small grey crystals in geodes
    Minerals: CALCITE
    Year:
    Country: Burundi
  • Sample n°11358 : black fragments (3-8 cm)
    Minerals: TOURMALINE
    Year:
    Country: Burundi
  • Sample n°11359 : crystals (mm) in greenish schist (12 cm)
    Minerals: PYRITE
    Year:
    Country: Burundi
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