Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 12793

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PYROLUSITE MnO2 oxides and hydroxides - major
Description
Description: massive block with black needles
Origin
  • Country: South Africa
  • Region: Northern Cape
  • Locality: Postmasburg, Klipfontein
Specification
  • Donors: Verwoerd
    Donation year: 1972
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no
Previous page