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Sample n° 9951
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
BIOTITE | K(Fe2+,Mg)3(AlSi3O10)(OH)2 | phyllosilicates | mica | major |
TITANITE | CaTiSiO5 | nesosilicates | - | major |
Description
Description:
grey lava (15 cm) with white phenocrysts
Origin
- Country: Rwanda
- Region: Ruhengeri
- Locality: Kinigi volcano
Specification
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Donors: BertossaDonation year:
-
Sampling year:Registration date:
-
Quantity: 2Size: 2
-
Dimension code 1>2>3: 3Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: yesChemical analysis: noX-Ray spectra: no