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Sample n° 5849

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CHALCEDONY (quartz) SiO2 tektosilicates - major
QUARTZ SiO2 tektosilicates - minor
Description: geode with renifiorm concretion and pink granular material
Country: Congo (RDC)       Region: Bas-Congo       Locality: Ngungu, Mbanza-Ngungu crest SE
Donors Elias, Geerinckx Sampling year
Donation year Registration date
Quantity 1 Dimension code 1>2>3 2
Size 2 Quality code 1>2>3 1
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no