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Sample n° 10906

Minerals found in the sample
Mineral Formula Category Subcategory Importance
FLUORITE CaF2 halides - major
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - minor
TANTALITE (Fe2+,Mn2+)Ta2O6 oxides and hydroxides - minor
THORITE Th(SiO4) nesosilicates - minor
Description
Description: sample with fluorite, red thorite (var. orangite), little black columbo-tantalite
Origin
  • Country: Sweden
  • Region: Finbo
  • Locality:
Specification
  • Donors: BRGM
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 6 x 5 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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