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Sample n° 9863

Minerals found in the sample
Mineral Formula Category Subcategory Importance
MOREAUITE Al3(UO2)(PO4)3(OH)2•13H2O phosphates - major
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - minor
META-AUTUNITE Ca(UO2)2(PO4)2•2-6H2O phosphates - minor
PHOSPHOSIDERITE Fe3+(PO4)•2H2O phosphates - minor
ROCKBRIDGEITE Fe2+Fe3+4(PO4)3(OH)5 phosphates - minor
TANTALITE (Fe2+,Mn2+)Ta2O6 oxides and hydroxides - minor
Description
Description: sample with green moreauite plates, bright black columbite, radial aggregates of black-brown rockbridgeite needles, altered phosphosiderite, little meta-autunite
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Mwenga, Kobokobo
Specification
  • Donors: Safiannikoff
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 10 x 6 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
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