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Sample n° 11971

Minerals found in the sample
Mineral Formula Category Subcategory Importance
URANOPHANE Ca(UO2)2(SiO3OH)2•5H2O nesosilicates - major
GYPSUM Ca(SO4)•2H2O sulfates - minor
PYRITE FeS2 sulfides and sulfosalts - minor
VERMICULITE Mg0,7(Mg,Fe,Al)6(Si,Al)8O20(OH)4•8H2O phyllosilicates mica minor
Description
Description: sample with yellow uranophane crust, vermiculite as pale green clay
Origin
  • Country: France
  • Region: Loire
  • Locality: Les Bois Noirs, Saint-Priest-la-Prugne
Specification
  • Donors: Comblain
    Donation year: 1969
  • Sampling year:
    Registration date:
  • Quantity: 2
    Size: 8 x 6 cm, 6 x 5 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: yes
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