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Sample n° 2222

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Minerals found in the sample
Mineral Formula Category Subcategory Importance
WYARTITE CaU5+(UO2)2(CO3)O4(OH)•7H2O carbonates - major
URANINITE UO2 oxides and hydroxides - minor
WOLSENDORFITE Pb7(UO2)14O19(OH)4•12H2O oxides and hydroxides - minor
Description
Description: sample with wyartite needles as rosette-like aggregates, red-orange wolsendorfite crystals
Information: holotype of wyartite-I (IMA Catalogue of Type Mineral Specimens) // Guillemin, C. & Protas, J., 1959. Ianthinite et wyartite. Bulletin de la Société Française de Minéralogie et de Cristallographie 82, 80-86. // Bignand, C., 1955. Sur les propriétés et les synthèses de quelques minéraux uranifères. Bulletin de la Société Francaise de Minéralogie et de Cristallographie 78, 1-26. // Clark, J.R., 1960. X-ray study of alteration in the uranium mineral wyartite. American Mineralogist 45, 200-208.
Origin
  • Country: Congo (RDC)
  • Region: Katanga
  • Locality: Shinkolobwe
Specification
  • Donors: UMHK
    Donation year: 1947
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 6 x 3 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: yes
    Paratype: no
    Radioactive: yes
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: yes
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