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Sample n° 2225

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Minerals found in the sample
Mineral Formula Category Subcategory Importance
STUDTITE (UO2)(O2)(H2O)2•2H2O oxides and hydroxides - major
WOLSENDORFITE Pb7(UO2)14O19(OH)4•12H2O oxides and hydroxides - major
BECQUERELITE Ca(UO2)6O4(OH)6•8H2O oxides and hydroxides - minor
URANINITE UO2 oxides and hydroxides - minor
URANOPHANE Ca(UO2)2(SiO3OH)2•5H2O nesosilicates - minor
WULFENITE PbMoO4 molybdates and tungstates - minor
Description
Description: sample with red-orange tabular/acicular wolsendorfite crystals, fibrous yellow studtite, powdery and radial-acicular greenish yellow uranophane, grey wulfenite needles in geodes
Information: Protas, J., 1959. Contribution à l'étude des oxydes d'uranium hydratés. Bulletin de la Société Française de Minéralogie et de Cristallographie 82, 239-272. // Toussaint, J., 1961. Sur la structure de la wölsendorfite de Shinkolobwe. Annales de la Société Géologique de Belgique 84, 365–373. // Deliens, M.,1977. Review of the hydrated oxides of U and Pb, with new X-ray powder data. Mineralogical Magazine 41, 51-57.
Origin
  • Country: Congo (RDC)
  • Region: Katanga
  • Locality: Shinkolobwe
Specification
  • Donors: UMHK
    Donation year: 1947
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 10 x 8 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: yes
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