# fillowite

> English word · Noun

## Definitions
1. A trigonal-rhombohedral mineral containing calcium, iron, manganese, oxygen, phosphorus, and sodium.

## Etymology
? + -ite

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