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Sample n° 11889

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
ALTHUPITE	AlTh(UO2)7(PO4)4O2(OH)5•15H2O	phosphates	-	major
MUNDITE	Al(UO2)3(PO4)2(OH)3•5,5H2O	phosphates	-	major
PLUMBOGUMMITE	PbAl3(PO4)(PO3OH)(OH)6	phosphates	-	major
UPALITE	Al(UO2)3(PO4)2O(OH)•7H2O	phosphates	-	major
AUTUNITE	Ca(UO2)2(PO4)2•10-12H2O	phosphates	-	minor
KAOLINITE	Al2Si2O5(OH)4	phyllosilicates	kaolinite	minor
RANUNCULITE	Al(UO2)(PO3OH)(OH)3•4H2O	phosphates	-	minor
THREADGOLDITE	Al(UO2)2(PO4)2(OH)•8H2O	phosphates	-	minor
TRIANGULITE	Al3(UO2)4(PO4)4(OH)5•5H2O	phosphates	-	minor

Description

Description: sample with upalite needles as yellow felty material, golden-yellow mundite lamellae, small yellow-orange althupite crystals in porous rock substrate, yellow ranunculite nodules on threadgoldite, white to yellow mica-like threadgoldite, green mica-like autunite, golden-yellow triangulite mass and small nodules, rust-coloured plumbogummite crust, white kaolinite

Information: 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: 1969
• Sampling year:
  Registration date:
• Quantity: 1
  Size: 16 x 12 cm

• Dimension code 1>2>3: 1
  Quality code 1>2>3: 1
• Holotype: no
  Paratype: no
  Radioactive: yes
• Thin section: no
  Chemical analysis: no
  X-Ray spectra: yes

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