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Sample n° 2049

Minerals found in the sample
Mineral Formula Category Subcategory Importance
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - major
Description
Description: altered crystals
Information: Melcher, F., Graupner, T., Sitnikova, M.A., Henjes-Kunst, F., Oberthür, T., Gäbler, E., Bahr, A., Gerdes, A., Brätz, H. & Rantitsch, G., 2009. Ein Herkunftsnachweis für Niob-Tantalerze am Beispiel Afrikanischer Selten-Element-Pegmatite. Mitteilungen der Österreichischen Mineralogischen Gesellschaft 155, 231-267. (sample Coltan 116)
Origin
  • Country: Congo (RDC)
  • Region: Katanga
  • Locality: Muika
Specification
  • Donors: de Magnée (ULB)
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 5
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no