Mineralogy Database

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17 samples matching your criteria

  • Sample n°12535 : sample with zircon as black veins and dendritic material, white calcite, siderite crystals (radioactive sample)
    Minerals: ZIRCON CALCITE SIDERITE
    Year: 1970
    Country: Burundi
  • Sample n°12588 : cluster of brown and red cubes (1-12 cm)
    Minerals: HEMATITE
    Year: 1971
    Country: Burundi
  • Sample n°12596 : black prismatic crystals (12 cm) with triangular cross-sections, and crystal aggregate
    Minerals: SCHORL
    Year: 1971
    Country: Burundi
  • Sample n°12597 : banded grey-white and pink-white blocks (8 and 15 cm)
    Minerals: CHALCEDONY (quartz)
    Year: 1971
    Country: Burundi
  • Sample n°13394 : debris of specular material (10 cm)
    Minerals: HEMATITE
    Year: 1976
    Country: Burundi
  • Sample n°17165 : bright green coating on nickel-bearing laterite
    Minerals: NEPOUITE
    Year:
    Country: Burundi
  • Sample n°19579 : thick crust
    Minerals: CRYPTOMELANE
    Year:
    Country: Rwanda
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