Mineralogy Database

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Sample n° 10319

Minerals found in the sample
Mineral Formula Category Subcategory Importance
FERBERITE Fe2+(WO4) molybdates and tungstates - major
TUNGSTITE WO3•H2O oxides and hydroxides - minor
Description
Description: black crystal (4 cm) with yellow coating
Origin
  • Country: Rwanda
  • Region: Ruhengeri
  • Locality: Bugarama
Specification
  • Donors: Bertossa
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 1
    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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