Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 6100

Minerals found in the sample
Mineral Formula Category Subcategory Importance
HORNBLENDE [ ]Ca2((Fe2+,Mg)4Al)(Si7Al)O22(OH)2 inosilicates amphiboles major
PLAGIOCLASE (Na,Ca)(Al1+xSi3-x)O8 tektosilicates feldspar major
Description
Description: diorite, with plagioclase and hornblende as principal components
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: Delhaye
    Donation year: 1957
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size:
  • Dimension code 1>2>3: 1
    Quality code 1>2>3: 2
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: no