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Sample n° 8767

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BOLTWOODITE (K,Na)(UO2)(SiO3OH)•1,5H2O nesosilicates - major
URANINITE UO2 oxides and hydroxides - major
AUTUNITE Ca(UO2)2(PO4)2•10-12H2O phosphates - minor
QUARTZ SiO2 tektosilicates - minor
Description
Description: sample with black uraninite veinlets, yellow nodules of canary-yellow boltwoodite scales, yellow-green autunite
Information: Deliens, M., 1978. La chenevixite, la vauquelinite, la sterrettite et la boltwoodite, minéraux nouveaux pour les gisements de Shaba (Zaïre) et du Rwanda. Annales de la Société Géologique de Belgique 101, 111-119.
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Karago
Specification
  • Donors: Service Géologique du Rwanda
    Donation year: 1960
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size:
  • 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