Mineralogy Database

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222 samples matching your criteria

  • Sample n°605 : crystals (1-6 mm) in grey schist
    Minerals: OTTRELITE
    Year: 1924
    Country: Burundi
  • Sample n°610 : hexagonal crystal (4 cm)
    Minerals: MUSCOVITE
    Year: 1921
    Country: Burundi
  • Sample n°900 : black crystals (1 cm) in vein quartz
    Minerals: TOURMALINE HEMATITE
    Year: 1935
    Country: Burundi
  • Sample n°901 : specular rust-coloured block (8 cm)
    Minerals: HEMATITE
    Year: 1935
    Country: Burundi
  • Sample n°2980 : fibrous specular debris (4 cm)
    Minerals: HEMATITE
    Year: 1935
    Country: Burundi
  • Sample n°3096 : debris (1 cm)
    Minerals: BISMUTITE
    Year: 1951
    Country: Burundi
  • Sample n°3368 : groups of parallel black tabular pyramidal crystals
    Minerals: CASSITERITE
    Year: 1953
    Country: Burundi
  • Sample n°3369 : black aggregate (4 cm)
    Minerals: CASSITERITE
    Year: 1953
    Country: Burundi
  • Sample n°3370 : yellow aggregate (cm) in white block (3 cm)
    Minerals: BISMUTH
    Year: 1953
    Country: Burundi
  • Sample n°4234 : nugget (1 cm) with enclosed black material
    Minerals: GOLD TOURMALINE
    Year: 1954
    Country: Burundi
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