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Sample n° 1869
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
WOLFRAMITE | (Fe2+,Mn2+)(WO4) | molybdates and tungstates | - | major |
QUARTZ | SiO2 | tektosilicates | - | minor |
Description
Description:
black massive scoriaceous material in vein quartz (4 and 8 cm)
Origin
- Country: Rwanda
- Region: Ruhengeri
- Locality: Kifurwe
Specification
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Donors: MarchalDonation year:
-
Sampling year:Registration date:
-
Quantity: 2Size: 2
-
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