# bastnaesite

> English word · Noun

## Definitions
1. A yellow-brown mineral that is a source of several rare earth metals, especially gadolinium, samarium, and neodymium.

## Etymology
From Bastnäs + -ite. Named after its type locality, the Bastnäs mine near Riddarhyttan, Västmanland, Sweden.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bastnaesite