Mineralogy Database

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Sample n° 12795

Minerals found in the sample
Mineral Formula Category Subcategory Importance
HAUSMANNITE Mn2+Mn3+2O4 oxides and hydroxides - major
CRYPTOMELANE K(Mn4+7 Mn3+)O16 oxides and hydroxides - minor
Description
Description: mixed black ores
Origin
  • Country: South Africa
  • Region: Northern Cape
  • Locality: Lohatlha
Specification
  • Donors: Verwoerd
    Donation year: 1972
  • 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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