tantalite
tantalite, tantalum-rich variety of the mineral columbite (q.v.) with the chemical formula (Fe,Mn)(Ta,Nb)2O6. Tantalite is the principal ore of the metal tantalum.
This article was most recently revised and updated by Amy Tikkanen.
Citation Information
Article Title:
tantalite
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
25 January 2018
Access Date:
November 14, 2026