Mineralogy Database

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Sample n° 11953

Minerals found in the sample
Mineral Formula Category Subcategory Importance
VERMICULITE Mg0,7(Mg,Fe,Al)6(Si,Al)8O20(OH)4•8H2O phyllosilicates mica major
URANOPHANE Ca(UO2)2(SiO3OH)2•5H2O nesosilicates - minor
Description
Description: sample with pale green clayey vermiculite crust, orange uranophane crust
Origin
  • Country: France
  • Region: Loire
  • Locality: Les Bois Noirs, Saint-Priest-la-Prugne
Specification
  • Donors: Comblain
    Donation year: 1969
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 6 x 4 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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