Mineralogy Database

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Sample n° 13732

Minerals found in the sample
Mineral Formula Category Subcategory Importance
META-AUTUNITE Ca(UO2)2(PO4)2•2-6H2O phosphates - major
URANOPHANE Ca(UO2)2(SiO3OH)2•5H2O nesosilicates - major
Description
Description: sample with green autunite crystals, uranophane as yellow tabular crystals, yellow-green nodules and as felty aggregates of pale yellow needles
Origin
  • Country: Germany
  • Region: Baden-Württemberg
  • Locality: Black Forest, Menzenschwand, Krunkelbachtal Mine
Specification
  • Donors: Bultemann
    Donation year: 1980
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 7 x 4 cm
  • Dimension code 1>2>3: 2
    Quality code 1>2>3:
  • Holotype: no
    Paratype: no
    Radioactive: yes
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes