# retgersite

> English word · Noun

## Definitions
1. A tetragonal-trapezohedral dark green mineral containing hydrogen, nickel, oxygen, and sulfur.

## Etymology
Named after Jan Willem Retgers (1856-1896), Dutch crystallographer.
Retgers + -ite

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