Mineralogy Database

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288 samples matching your criteria

  • Sample n°6947 : small yellow fibres in debris
    Minerals: MIMETITE
    Year: 1954
    Country: USA
  • Sample n°6976 : clayey block with conchoidal fracture (7 cm), bentonite
    Minerals: MONTMORILLONITE
    Year: 1954
    Country: USA
  • Sample n°6980 : debris (2 cm)
    Minerals: SANBORNITE
    Year:
    Country: USA
  • Sample n°6982 : white debris
    Minerals: PROBERTITE
    Year:
    Country: USA
  • Sample n°6983 : white bundles (2 cm)
    Minerals: MEYERHOFFERITE
    Year:
    Country: USA
  • Sample n°6984 : white powder
    Minerals: KERNITE
    Year:
    Country: USA
  • Sample n°6986 : scattered black aggregates in matrix, with associated secondary minerals
    Minerals: URANINITE
    Year: 1958
    Country: USA
  • Sample n°6987 : debris
    Minerals: SHATTUCKITE
    Year:
    Country: USA
  • Sample n°7193 : sample with yellow meta-autunite plates, radial aggregates of bright yellow uranophane crystals
    Minerals: META-AUTUNITE URANOPHANE
    Year: 1959
    Country: USA
  • Sample n°7195 : small crystals in purple lava (4 cm)
    Minerals: FORSTERITE TRIDYMITE
    Year: 1959
    Country: USA
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