Mineralogy Database

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
TANTALITE	(Fe²⁺,Mn²⁺)Ta₂O₆	oxides and hydroxides	-	major

Description

Description: black concentrate (0.5 cm)

Information: Melcher, F., Graupner, T., Henjes-Kunst, F., Oberthür, T., Sitnikova, M.A., Gäbler, E., Gerdes, A., Brätz, H., Davis, D. & Dewaele, S., 2008. Analytical fingerprint of columbite-tantalite (coltan) mineralization in pegmatites - focus on Africa. Proceedings of the Ninth International Congress for Applied Mineralogy (ICAM 2008), Australasian Institute of Mining and Metallurgy Publication Series No 8/2008, pp. 615-624. (sample Coltan 101) // Melcher, F., Graupner, T., Sitnikova, M.A., Henjes-Kunst, F., Oberthür, T., Gäbler, E., Bahr, A., Gerdes, A., Brätz, H. & Rantitsch, G., 2009. Ein Herkunftsnachweis für Niob-Tantalerze am Beispiel Afrikanischer Selten-Element-Pegmatite. Mitteilungen der Österreichischen Mineralogischen Gesellschaft 155, 231-267. (sample Coltan 101)

Origin

Country: Congo (RDC)
Region: Orientale
Locality: Mambasa, Enehe G6

Specification

Donors: Safiannikoff

Donation year: 1971
Sampling year:

Registration date:
Quantity: X

Size: 3

Dimension code 1>2>3: 3

Quality code 1>2>3: 1
Holotype: no

Paratype: no

Radioactive: no
Thin section: no

Chemical analysis: no

X-Ray spectra: no

Sample n° 12829