# andalusite

> English word · Noun

## Definitions
1. An aluminium nesosilicate mineral, Al₂SiO₅, which can be cut into a gem and displays strong pleochroism, shifting between red, green, and yellow.

## Etymology
From Andalusia + -ite, after the erroneous belief that it was from Andalusia.

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