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Sample n° 13360

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CASSITERITE SnO2 oxides and hydroxides - major
MUSCOVITE KAl2(Si3Al)O10(OH)2 phyllosilicates mica major
QUARTZ SiO2 tektosilicates - minor
Description: massive purplish vein with spots of yellow mica (12 cm)
Country: Rwanda       Region: Kigali       Locality: Rutongo, Nyanyumba
Donors Bonne Sampling year
Donation year 1960 Registration date
Quantity 1 Dimension code 1>2>3 3
Size 2 Quality code 1>2>3 1
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no