todorokite

English

Etymology

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

Noun

todorokite (plural todorokites)

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

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Further reading