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Sample n° 13457

Minerals found in the sample
Mineral Formula Category Subcategory Importance
UPALITE Al(UO2)3(PO4)2O(OH)•7H2O phosphates - major
META-AUTUNITE Ca(UO2)2(PO4)2•2-6H2O phosphates - minor
MUNDITE Al(UO2)3(PO4)2(OH)3•5,5H2O phosphates - minor
ZIRCON ZrSiO4 nesosilicates - minor
Description
Description: sample with felty aggregates of yellow upalite needles, golden-yellow mundite blades
Information: holotype of upalite, together with n° 5951 (Deliens & Piret, 1979) [IMA Catalogue of Type Mineral Specimens] // Deliens, M. & Piret, P., 1979. Les phosphates d'uranyle et d'aluminium de Kobokobo. II. La phuralumite Al2(UO2)3(PO4)2(OH)2(OH)6.10H2O et l'upalite Al(UO2)3(PO4)2(OH)2(OH)3.6H2O, nouveau minéraux. Bulletin de Minéralogie 102, 333-337. // Deliens, M. & Piret, P., 1977. Les phosphates d'uranyle et d'aluminium de Kobokobo. I. Données préliminaires. Bulletin de la Société Belge de Géologie 86, 183-190. (mineral B [upalite], mineral D [mundite]) // Deliens, M. & Piret, P., 1980. New aluminum and uranyl phosphates from Kobokobo, Kivu, Zaire. Rocks & Minerals 55, 169-171.
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Mwenga, Kobokobo
Specification
  • Donors: Lhoest
    Donation year: 1968
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 9 x 4 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: yes
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes