# sillenite

> English word · Noun

## Definitions
1. A cubic mineral with the chemical formula Bi₁₂SiO₂₀, typically found in association with bismuthite.

## Etymology
From Swedish Sillén + -ite, named after the Swedish chemist Lars Gunnar Sillén.

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