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Sample n° 12903

Minerals found in the sample
Mineral Formula Category Subcategory Importance
MUSCOVITE KAl2(Si3Al)O10(OH)2 phyllosilicates mica major
Description: large altered plate-shaped crystal (30 cm)
Country: Nigeria       Region: Jos Plateau       Locality: Jos Mine
Donors Cuypers Sampling year
Donation year 1972 Registration date
Quantity 1 Dimension code 1>2>3 2
Size 1 Quality code 1>2>3 1
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no