# phenakite

> English word · Noun

## Definitions
1. A trigonal-rhombohedral mineral containing beryllium, oxygen, and silicon.

## Etymology
Ancient Greek φέναξ (phénax, a deceiver) (because of its resemblance to quartz). + -ite

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