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Sample n° 6708

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PYROLUSITE MnO2 oxides and hydroxides - major
Description: black block (7 cm) with geodes containing fibrous material
Country: USSR       Region: Caucasus       Locality:
Donors Polinard Sampling year
Donation year 1954 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