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Sample n° 7089

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BISMUTOTANTALITE BiTaO4 oxides and hydroxides - major
Description
Description: sample with bismutotantalite as black crystals and powder, from pegmatite
Information: Gouder de Beauregard, C., Dubois, J. & Bourguignon, P., 1967. Comportement thermique des columbotantalites. Annales de la Société Géologique de Belgique 90, 501-518.
Origin
  • Country: Brazil
  • Region: Rio Grande do Norte
  • Locality: Parelhas, Alto Xique-Xique
Specification
  • Donors: de Almeida
    Donation year: 1959
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 3 x 3 cm
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes