Mineralogy Database

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Sample n° 12112

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CHALCEDONY (quartz) SiO2 tektosilicates - major
META-AUTUNITE Ca(UO2)2(PO4)2•2-6H2O phosphates, arsenates and vanadates phosphates major
METATORBERNITE Cu(UO2)2(PO4)2•8H2O phosphates, arsenates and vanadates phosphates minor
Description: uraniferous block with globular white chalcedony coating
  • Country: France
  • Region: Puy-de-Dôme
  • Locality: Lachaux, Bigay Mine
  • Donors: Art
    Donation year: 1969
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 12 x 8 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no