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Sample n° 10624

Minerals found in the sample
Mineral Formula Category Subcategory Importance
COLUMBITE (Fe,Mg,Mn)Nb2O6 oxides and hydroxides - major
Description: black tablets (5 cm)
Country: Rwanda       Region: Gitarama       Locality: Ndiza, Gitima
Donors Gerards Sampling year
Donation year 1965 Registration date
Quantity X 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