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Sample n° 6195

Minerals found in the sample
Mineral Formula Category Subcategory Importance
ALTHUPITE AlTh(UO2)7(PO4)4O2(OH)5•15H2O phosphates, arsenates and vanadates phosphates major
PHURALUMITE Al2(UO2)3(PO4)2(OH)6•10H2O phosphates, arsenates and vanadates phosphates major
UPALITE Al(UO2)3(PO4)2O(OH)•7H2O phosphates, arsenates and vanadates phosphates major
BERAUNITE Fe2+(Fe3+)5(PO4)4(OH)5•6H2O phosphates, arsenates and vanadates phosphates minor
COLUMBITE (Mn,Fe,Mg)(Nb,Ta)2O6 oxides and hydroxides - minor
RANUNCULITE Al(UO2)(PO3OH)(OH)3•4H2O phosphates, arsenates and vanadates phosphates minor
TANTALITE (Fe,Mn)Ta2O6 oxides and hydroxides - minor
ZIRCON ZrSiO4 nesosilicates - minor
Description
Description: sample with abundant yellow phuralumite laths, yellow althupite crystals, yellow upalite needles, orange-yellow ranunculite nodules, grey fibrous beraunite aggregates partly covered by ranunculite
Information: cotype of phuralumite (Deliens & Piret, 1979) (holotype - n° 6201) // 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.
Origin
Country: Congo (RDC)       Region: Katanga       Locality: Kobokobo
Specification
Donors MGL Sampling year
Donation year 1958 Registration date
 
Quantity 1 Dimension code 1>2>3 1
Size 18 x 13 cm Quality code 1>2>3 1
 
Holotype no Thin section no
Paratype yes Chemical analysis no
Radioactive yes X-Ray spectra yes