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Sample n° 7206

Minerals found in the sample
Mineral Formula Category Subcategory Importance
WALPURGITE Bi4O4(UO2)(AsO4)2•2H2O arsenates - major
ZEUNERITE Cu(UO2)2(AsO4)2•12H2O arsenates - major
BARYTE Ba(SO4) sulfates - minor
METAZEUNERITE Cu(UO2)2(AsO4)2•8H2O arsenates - minor
Description
Description: sample with dull green zeunerite-metazeunerite coatings, honey-coloured fibro-radial walpurgite (partly mixed with black needles), red baryte
Origin
  • Country: Germany
  • Region: Baden-Württemberg
  • Locality: Black Forest, Wittichen
Specification
  • Donors: Leyerzapp
    Donation year: 1959
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes
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