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Sample n° 1875

Minerals found in the sample
Mineral Formula Category Subcategory Importance
FERBERITE Fe2+(WO4) molybdates and tungstates - major
Description
Description: black anhedral crystals in quartz (2 and 4 cm)
Origin
  • Country: Rwanda
  • Region: Ruhengeri
  • Locality: Kifurwe
Specification
  • Donors: Marchal
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 2
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no
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