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Sample n° 12918

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BARIANDITE Al0,6(V5+,V4+)8O20•9H2O vanadium oxysalts - major
DUTTONITE V4+O(OH)2 oxides and hydroxides - major
FRANCEVILLITE Ba(UO2)2(VO4)2•5H2O vanadates - major
Description
Description: sample with francevillite as yellow mica-like crystals and as isolated crystals on bariandite, crust of black bariandite laths, crust of black dutonite blades
Information: specimen from type locality
Origin
  • Country: Gabon
  • Region: Mounana
  • Locality:
Specification
  • Donors: Bariand
    Donation year: 1972
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 8 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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