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Sample n° 14146
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
COLUMBITE | (Fe,Mg,Mn)Nb2O6 | oxides and hydroxides | - | major |
TANTALITE | (Fe2+,Mn2+)Ta2O6 | oxides and hydroxides | - | major |
Description
Description:
sample with possible columbo-tantalite (radioactive sample)
Origin
- Country: Norway
- Region: Vest-Agder
- Locality: Ovrebo, Fjellestad
Specification
-
Donors: LavreauDonation year: 1984
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
Dimension code 1>2>3: 3Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: yes
-
Thin section: noChemical analysis: noX-Ray spectra: no