# johnsomervilleite

> English word · Noun

## Definitions
1. A dark, brittle, vitreous mineral comprising mostly iron, phosphorus, and oxygen.

## Etymology
From John Somerville + -ite.

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