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Sample n° 4367

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CASSITERITE SnO2 oxides and hydroxides - major
MAGNETITE Fe2+Fe3+2O4 oxides and hydroxides spinel minor
MUSCOVITE KAl2(Si3Al)O10(OH)2 phyllosilicates mica minor
QUARTZ SiO2 tektosilicates - minor
Description
Description: brown crystals (1 cm) in pegmatite with muscovite
Information: geochronology - Cahen, L. & Snelling, N.J., 1966. The Geochronology of Equatorial Africa. North-Holland Publishing Company, Amsterdam, 195 pp. (Monteyne-Poulaert, unpublished data)
Origin
  • Country: Rwanda
  • Region: Kibungo
  • Locality: Rwinkwavu
Specification
  • Donors: Polinard
    Donation year: 1954
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 3
    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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