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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	-	major
PHURALUMITE	Al2(UO2)3(PO4)2(OH)6•10H2O	phosphates	-	major
UPALITE	Al(UO2)3(PO4)2O(OH)•7H2O	phosphates	-	major
BERAUNITE	Fe2+Fe3+5(PO4)4(OH)5•6H2O	phosphates	-	minor
COLUMBITE	(Fe,Mg,Mn)Nb2O6	oxides and hydroxides	-	minor
RANUNCULITE	Al(UO2)(PO3OH)(OH)3•4H2O	phosphates	-	minor
TANTALITE	(Fe2+,Mn2+)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: Kivu
• Locality: Mwenga, Kobokobo

Specification

• Donors: MGL
  Donation year: 1958
• Sampling year:
  Registration date:
• Quantity: 1
  Size: 18 x 13 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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