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Sample n° 4204

Minerals found in the sample
Mineral Formula Category Subcategory Importance
MUSCOVITE KAl2(Si3Al)O10(OH)2 phyllosilicates mica major
Description
Description: pegmatite blocks (15 cm)
Information: geochronology - Monteyne-Poulaert, G., Delwiche, R. & Cahen, L., 1962. Ages des minéralisations pegmatitiques et filoniennes du Rwanda et du Burundi. Bulletin de la Société Belge de Géologie 71, 210-222.
Origin
Country: Rwanda       Region: Gitarama       Locality: Lemera
Specification
Donors Peeters Sampling year
Donation year 1954 Registration date
 
Quantity 4 Dimension code 1>2>3 3
Size 1 Quality code 1>2>3 1
 
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no