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Sample n° 10817

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: cryptocrystalline crust
Information: cotype of mindigite (discredited name, synonym of heterogenite-3R) (IMA Catalogue of Type Mineral Specimens) // Deliens, M., 1974. Les Oxydes Hydratés de Cobalt du Shaba Méridional (République du Zaïre). Annales du Musée Royal de l'Afrique Centrale, Série In-8°, n° 76, 80 pp. // original publication for mindigite - De Leenheer, L., 1934. Over mindigiet, een nieuw kobalthydroxyde. Natuurwetenschappelijk Tijdschrift 16, 237-241.
Origin
  • Country: Congo (RDC)
  • Region: Katanga
  • Locality: Etoile
Specification
  • Donors: Francotte UMHK
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: X fragm/tube
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: yes
    Radioactive: no
  • Thin section: no
    Chemical analysis: yes
    X-Ray spectra: yes
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