Mineralogy Database

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Sample n° 6142

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PLAGIOCLASE (Na,Ca)(Al1+xSi3-x)O8 tektosilicates feldspar major
PYROXENE - inosilicates pyroxenes major
Description
Description: dolerite, dominated by plagioclase crystals in a mass of altered pyroxenes
Information: Hubaux, A., 1959. Les gisements de ténnantite de Yungu et de Sele (Lac Tanganika). Annales de la Société Géologique de Belgique 82, 269-282.
Origin
  • Country: Congo (RDC)
  • Region: Kivu
  • Locality: Fizi, Simba, Yungu
Specification
  • Donors: Schaar
    Donation year: 1958
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size:
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 3
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: no