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Sample n° 6194

Minerals found in the sample
Mineral Formula Category Subcategory Importance
RANUNCULITE Al(UO2)(PO3OH)(OH)3•4H2O phosphates - major
TRIANGULITE Al3(UO2)4(PO4)4(OH)5•5H2O phosphates - major
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - minor
FLUORAPATITE Ca5(PO4)3F phosphates - minor
META-AUTUNITE Ca(UO2)2(PO4)2•2-6H2O phosphates - minor
TANTALITE (Fe2+,Mn2+)Ta2O6 oxides and hydroxides - minor
THREADGOLDITE Al(UO2)2(PO4)2(OH)•8H2O phosphates - minor
ZIRCON ZrSiO4 nesosilicates - minor
Description
Description: sample with bright yellow ranunculite nodules, rosettes and fan-shaped aggregates of golden-yellow triangulite crystals, white threadgoldite crystals, black columbite, little meta-autunite, white powdery and white-grey fluorapatite
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Mwenga, Kobokobo
Specification
  • Donors: MGL
    Donation year: 1958
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 12 x 8 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes