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Sample n° 10662

Minerals found in the sample
Mineral Formula Category Subcategory Importance
FRONDELITE Mn2+Fe3+4(PO4)3(OH)5 phosphates - major
CRYPTOMELANE K(Mn4+7 Mn3+)O16 oxides and hydroxides - minor
Description
Description: brown bundles and fibro-radial layers on manganese oxides
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Buranga
Specification
  • Donors: Gerards
    Donation year: 1965
  • Sampling year:
    Registration date:
  • Quantity: 3
    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
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