Mineralogy Database

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
COLUMBITE	(Fe,Mg,Mn)Nb₂O₆	oxides and hydroxides	-	major
BERYL	Be₃Al₂Si₆O₁₈	cyclosilicates	-	minor

Description

Description: block of mineralised pegmatite with large black plates

Information: Gouder de Beauregard, C., Dubois, J. & Bourguignon, P., 1967. Comportement thermique des columbotantalites. Annales de la Société Géologique de Belgique 90, 501-518.

Origin

Country: Congo (RDC)
Region: Kivu
Locality: Mwenga, Kobokobo

Specification

Donors: Safiannikoff

Donation year:
Sampling year:

Registration date:
Quantity: 1

Size: 2

Dimension code 1>2>3: 2

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

Paratype: no

Radioactive: no
Thin section: no

Chemical analysis: no

X-Ray spectra: no

Sample n° 10588