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Sample n° 5951

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Minerals found in the sample
Mineral Formula Category Subcategory Importance
ALTHUPITE AlTh(UO2)7(PO4)4O2(OH)5•15H2O phosphates - major
THREADGOLDITE Al(UO2)2(PO4)2(OH)•8H2O phosphates - major
UPALITE Al(UO2)3(PO4)2O(OH)•7H2O phosphates - major
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - minor
PHOSPHURANYLITE KCa(H3O)3(UO2)7(PO4)4O4•8H2O phosphates - minor
ZIRCON ZrSiO4 nesosilicates - minor
Description
Description: sample with yellow threadgoldite plates, amber-coloured upalite needles, small canary-yellow althupite crystals, yellow/amber-coloured upalite crystals on trheadgoldite, felty acicular canary-yellow phospuranylite on mica
Information: holotype of threadgoldite (IMA Catalogue of Type Mineral Specimens) // holotype of upalite, together with n° 13457 (Deliens & Piret, 1979) [IMA Catalogue of Type Mineral Specimens] // Deliens, M. & Piret, P., 1979. Les phosphates d'uranyle et d'aluminium de Kobokobo. IV. La threadgoldite, Al2(UO2)2(PO4)2(OH).8H2O, nouveau minéral. Bulletin de Minéralogie 102, 338-341. // Piret, P., Declercq, J.P. & Wauters-Stoop, D., 1979. Structure of threadgoldite. Acta Crystallographica B35, 3017-3020. // 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.
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Mwenga, Kobokobo
Specification
  • Donors: MGL
    Donation year: 1957
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 11 x 9 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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