BusinessSeptember 4, 2026

tantalite

TAN-tuh-lite

Definition

A dense, dark-colored mineral consisting of iron and manganese tantalite, which is the primary source of the metal tantalum.

Etymology

The word is derived from the Greek mythological figure Tantalus, because of the mineral's chemical resistance and the difficulty chemists faced in dissolving it to extract the element tantalum.

In the news

In this article, tantalite is mentioned as one of the minerals often found alongside cassiterite in complex deposits, highlighting the need for technology that can distinguish between these associated materials.

New ore sorting technology sees inside cassiterite

Read the full article ↗

International Tin Association

Related words

Learn words like this every day

Meet new words every morning.

Newspoken pulls carefully chosen words from the day’s news — with clear definitions, context, and light review that makes them stick. Get it on your phone.