Mineralogy Database

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Sample n° 1407

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CHALCEDONY (quartz) SiO2 tektosilicates - major
QUARTZ SiO2 tektosilicates - major
Description: nice banded concretion
Country: Congo (RDC)       Region: Bas-Congo       Locality: Mayumbe
Donors Cabra Sampling year
Donation year Registration date
Quantity 3 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