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Sample n° 7087

Minerals found in the sample
Mineral Formula Category Subcategory Importance
URANMICROLITE (Ca,Na,U)2Ta2O6(OH) oxides and hydroxides - major
CASSITERITE SnO2 oxides and hydroxides - minor
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - minor
SPODUMENE LiAlSi2O6 inosilicates pyroxenes minor
Description
Description: concentrate
Origin
  • Country: Brazil
  • Region: Minas Gerais
  • Locality: Sao Joao del Rei, Nazareno, Volta Grande
Specification
  • Donors: de Almeida
    Donation year: 1959
  • Sampling year:
    Registration date:
  • Quantity: X
    Size: concentrate
  • 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: no
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