Mineralogy Database

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Sample n° 16347

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CRYPTOMELANE K(Mn4+7 Mn3+)O16 oxides and hydroxides - major
Description
Description: fragments
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Walungu, Mufua
Specification
  • Donors: Safiannikoff
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity:
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 2
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no