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Sample n° 6197

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Minerals found in the sample
Mineral Formula Category Subcategory Importance
MOREAUITE Al3(UO2)(PO4)3(OH)2•13H2O phosphates - major
PHURALUMITE Al2(UO2)3(PO4)2(OH)6•10H2O phosphates - major
APATITE Ca5(PO4)3(OH,F,Cl) phosphates - minor
BERMANITE Mn2+Mn3+2(PO4)2(OH)2•4H2O phosphates - minor
CURITE Pb3+x[(UO2)4O4+x(OH)3-x]2•2H2O oxides and hydroxides - minor
FRONDELITE Mn2+Fe3+4(PO4)3(OH)5 phosphates - minor
GOETHITE FeO(OH) oxides and hydroxides - minor
PHOSPHOSIDERITE Fe3+(PO4)•2H2O phosphates - minor
RANUNCULITE Al(UO2)(PO3OH)(OH)3•4H2O phosphates - minor
Description
Description: sample with small yellow moreauite crystals on phosphosiderite, yellow phuralumite plates, yellow-orange ranunculite nodules as substrate for phuralumite, rust-brown bermanite within phosphosiderite, frondelite as black mass and as green rosettes, orange curite mass, bundles of rust-brown goethite needles, blue-green apatite, white to colourless coeruleolactite
Information: cotype of phuralumite (Deliens & Piret, 1979) (holotype - n° 6201) // cotype of moreauite (Deliens & Piret, 1985) (holotype - n° 6601) // 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. // Piret, P., Piret-Meunier, J. & Declercq, J.P., 1979. Structure of phuralumite. Acta Crystallographica B35, 1880-1882. // Deliens, M. & Piret, P., 1985. Les phosphates d'uranyle et d'aluminium de Kobokobo. VII. La moreauïte, Al3(UO2)(PO4)3(OH)2.13H2O, nouveau minéral. Bulletin de Minéralogie 108, 9-13.
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Mwenga, Kobokobo
Specification
  • Donors: MGL
    Donation year: 1958
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 18 x 12 cm
  • Dimension code 1>2>3: 1
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: yes
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes
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