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Sample n° 19335
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
COLUMBITE | (Fe,Mg,Mn)Nb2O6 | oxides and hydroxides | - | major |
Description
Description:
cleavage fragments
Origin
- Country: Rwanda
- Region: Gisenyi
- Locality: Rugendabare, chantier Kanoro
Specification
-
Donors: Université Libre de Bruxelles (ULB) Denaeyer (ULB)Donation year: 2020
-
Sampling year: 1949Registration date:
-
Quantity:Size:
-
Dimension code 1>2>3: 2Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no