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Sample n° 8838
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
COLUMBITE-(Fe) | Fe2+Nb2O6 | oxides and hydroxides | - | major |
Description
Description:
black block (4 cm)
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: Burundi
- Region: Bubanza
- Locality: Butara
Specification
-
Donors: Service Géologique du RwandaDonation year: 1961
-
Sampling year:Registration date:
-
Quantity: 1Size: 2
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Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: no