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Sample n° 2143
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
COLUMBITE | (Fe,Mg,Mn)Nb2O6 | oxides and hydroxides | - | major |
QUARTZ | SiO2 | tektosilicates | - | minor |
Description
Description:
black tabular crystals
Origin
- Country: Congo (RDC)
- Region: Katanga
- Locality: Lubumbashi (near station)
Specification
-
Donors: LepersonneDonation year: 1941
-
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
-
Thin section: noChemical analysis: noX-Ray spectra: no