# fiorite

> English word · Noun

## Definitions
1. A variety of opal occurring in the cavities of volcanic tuff, having a pearly lustre and forming botryoidal masses.

## Etymology
From Santa Fiora + -ite.

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