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Sample n° 10589
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
COLUMBITE | (Fe,Mg,Mn)Nb2O6 | oxides and hydroxides | - | major |
Description
Description:
striated crystal (13 cm) and plates (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: Rwanda
- Region: Gitarama
- Locality: Kibingo
Specification
-
Donors: SafiannikoffDonation year:
-
Sampling year:Registration date:
-
Quantity: XSize: 2
-
Dimension code 1>2>3: 2Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no