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Sample n° 12901

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CHALCEDONY (quartz) SiO2 tektosilicates - major
QUARTZ SiO2 tektosilicates - major
Description: reworked material
Country: Nigeria       Region: Jos Plateau       Locality: Jos Mine
Donors Cuypers Sampling year
Donation year 1972 Registration date
Quantity 5 Dimension code 1>2>3 3
Size 3 Quality code 1>2>3 1
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no