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Sample n° 12052
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
PYRRHOTITE | Fe7S8 | sulfides and sulfosalts | - | major |
WOLFRAMITE | (Fe2+,Mn2+)(WO4) | molybdates and tungstates | - | major |
GARNET | (Ca,Fe,Mg,Mn)3(Al,Fe,Mn,Cr,Ti,V)2(SiO4)3 | nesosilicates | garnet | minor |
Description
Description:
pyrrhotite and wolframite in rock matrix, one polished surface
Origin
- Country: Portugal
- Region: Covas
- Locality: Mata de Valdarcas Mine
Specification
-
Donors: AdercaDonation year: 1969
-
Sampling year:Registration date:
-
Quantity:Size:
-
Dimension code 1>2>3: 2Quality code 1>2>3: 3
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Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no