Mineralogy Database

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Sample n° 1304

Minerals found in the sample
Mineral Formula Category Subcategory Importance
HETEROGENITE Co3+O(OH) oxides and hydroxides - major
CHRYSOCOLLA (Cu2-xAlx)2H2-xSi2O5(OH)4•nH2O phyllosilicates - minor
MALACHITE Cu2(CO3)(OH)2 carbonates - minor
Description
Description: malachite nodules, banded heterogenite
Information: Decrée, S., Pourret, O. & Baele, J.M., 2015. Rare earth element fractionation in heterogenite (CoOOH): implication for cobalt oxidized ore in the Katanga Copperbelt (Democratic Republic of Congo). Journal of Geochemical Exploration 159, 290-301.
Origin
  • Country: Congo (RDC)
  • Region: Katanga
  • Locality: Etoile
Specification
  • Donors: UMHK
    Donation year: 1926
  • 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
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