Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 18589

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BRAUNITE Mn2+Mn3+6O8(SiO4) oxides and hydroxides - major
PYROLUSITE MnO2 oxides and hydroxides - major
Description
Description: braunite crystals on Mn oxide substrate
Origin
  • Country: South Africa
  • Region: Northern Cape
  • Locality: Wessels Mine
Specification
  • Donors: Dillen Deroo
    Donation year: 2018
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size:
  • Dimension code 1>2>3: 1
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no