# halleflinta

> English word · Noun

## Definitions
1. A type of metamorphic rock, formed from volcanic tuff and rich in quartz and feldspars.

## Etymology
From Swedish hälleflinta.

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