# wulffite

> English word · Noun

## Definitions
1. An alkali copper sulfate mineral with chemical formula K₃NaCu₄O₂(SO₄)₄.

## Etymology
From Wulff + -ite, named after Russian crystallographer Georgiy Viktorovich Wulff.

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