# fletcherite

> English word · Noun

## Definitions
1. An isometric-hexoctahedral steel gray mineral containing cobalt, copper, nickel, and sulfur.

## Etymology
From Fletcher + -ite.

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