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Sample n° 303

Minerals found in the sample
Mineral Formula Category Subcategory Importance
GYPSUM Ca(SO4)•2H2O sulfates - major
NATROJAROSITE NaFe3+3(SO4)2(OH)6 sulfates - minor
Description
Description: pieces with earthy yellow coatings (natrojarosite)
Information: Van Tassel, R., 1958. Notes minéralogiques. XI. Jarosite, natrojarosite, beaverite, leonhardtite et hexahydrite du Congo belge. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique 34, n° 44, 12 pp.
Origin
  • Country: Congo (RDC)
  • Region: Orientale
  • Locality: Djugu, Kilo
Specification
  • Donors: van Marcke
    Donation year: 1904
  • 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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