# rittmannite

> English word · Noun

## Definitions
1. A monoclinic-prismatic light yellow mineral containing aluminum, hydrogen, iron, manganese, oxygen, and phosphorus.

## Etymology
Named after Alfred Rittman, Swiss volcanologist.
Rittman + -ite

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