# hauerite

> English word · Noun

## Definitions
1. A manganese sulfide mineral, MnS₂, that forms reddish-brown or black octahedral crystals.

## Etymology
From Hauer + -ite, after Austrian geologists Joseph and Franz Ritter von Hauer.

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