# theophrastite

> English word · Noun

## Definitions
1. A trigonal-hexagonal scalenohedral emerald green mineral containing hydrogen, nickel, and oxygen.

## Etymology
The name is for Theophrastus, the first Greek mineralogist, 373/372-288/287 B.C., + -ite. The new mineral and the name were approved by the Commission on New Minerals and Mineral Names.

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