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Sample n° 4238

Minerals found in the sample
Mineral Formula Category Subcategory Importance
GOLD Au native elements - major
TOURMALINE - cyclosilicates tourmaline minor
Description: platelets on quartz with tourmaline needles
Country: Congo (RDC)       Region: Orientale       Locality: Poko, Mazugbali
Donors Polinard Sampling year
Donation year 1951 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