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Sample n° 10624

Minerals found in the sample
Mineral Formula Category Subcategory Importance
COLUMBITE (Mn,Fe,Mg)(Nb,Ta)2O6 oxides and hydroxides - major
Description
Description: black tablets (5 cm)
Origin
Country: Rwanda       Region: Gitarama       Locality: Ndiza, Gitima
Specification
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