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

URL: https://www.britannica.comhttps://www.britannica.com/science/tantalite

Access Date: March 14, 2025