# rollandite

> English word · Noun

## Definitions
1. A orthorhombic mineral containing astatine, hydrogen, oxygen, and copper.

## Etymology
Named in honour of Pierre Rolland (born 1940), a mineral collector of the Roua mines in France
Rolland + -ite

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