Mineralogy Database

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Sample n° 8531

Minerals found in the sample
Mineral Formula Category Subcategory Importance
WOLFRAMITE (Fe2+,Mn2+)(WO4) molybdates and tungstates - major
QUARTZ SiO2 tektosilicates - minor
SCORODITE Fe3+(AsO4)•2H2O arsenates - minor
Description
Description: black anhedral altered crystals in vein quartz
Origin
  • Country: Rwanda
  • Region: Kigali
  • Locality: Musha
Specification
  • Donors: Lhoest
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 3
    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: yes
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