Mineralogy Database

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105 samples matching your criteria

  • Sample n°12102 : sample with green-yellow tabular parsonsite crystals
    Minerals: PARSONSITE CHALCEDONY (quartz) META-AUTUNITE METATORBERNITE
    Year: 1969
    Country: France
  • Sample n°12105 : sample with well-developed metatorbernite crystals
    Minerals: METATORBERNITE CHALCEDONY (quartz) META-AUTUNITE PYRITE
    Year: 1969
    Country: France
  • Sample n°12108 : sample with pseudomalachite as green nodules and as small crystals on nodules, white chalcedony (radioactive sample)
    Minerals: PSEUDOMALACHITE CHALCEDONY (quartz)
    Year: 1969
    Country: France
  • Sample n°12109 : sample with yellow parsonsite crystals, brown powdery hollandite nodules, green chalcedony, dendritic black oxides
    Minerals: HOLLANDITE PARSONSITE CHALCEDONY (quartz) META-AUTUNITE
    Year: 1969
    Country: France
  • Sample n°12111 : scattered crystals on rock substrate
    Minerals: META-AUTUNITE CHALCEDONY (quartz) HEMATITE METATORBERNITE
    Year: 1969
    Country: France
  • Sample n°12112 : uraniferous block with globular white chalcedony coating
    Minerals: CHALCEDONY (quartz) META-AUTUNITE METATORBERNITE
    Year: 1969
    Country: France
  • Sample n°12495 : brown block with conchoidal fractures (8 cm)
    Minerals: CHALCEDONY (quartz)
    Year: 1970
    Country: Rwanda
  • Sample n°12546 : banded fragments
    Minerals: CHALCEDONY (quartz)
    Year: 1921
    Country: Angola
  • Sample n°12597 : banded grey-white and pink-white blocks (8 and 15 cm)
    Minerals: CHALCEDONY (quartz)
    Year: 1971
    Country: Burundi
  • Sample n°12901 : reworked material
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1972
    Country: Nigeria