Mineralogy Database

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Sample n° 12051

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: intergrowth of subhedral pyrrhotite and wolframite crystals, one polished surface
Origin
  • Country: Portugal
  • Region: Covas
  • Locality: Mata de Valdarcas Mine
Specification
  • Donors: Aderca
    Donation year: 1969
  • Sampling year:
    Registration date:
  • Quantity:
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 2
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no
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