# todorokite

> English word · Noun

## Definitions
1. A manganese oxide mineral, also containing calcium, barium, potassium, sodium, and sometimes magnesium that is a major constituent of manganese nodules

## Etymology
From Japanese 轟 (todoroki, “boom, rumble; sound of thunder”) + -ite, after Todoroki Mine (轟鉱山) in Shiribeshi, Hokkaido where it was discovered.

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