Grunerite

Facts

Chemical formula

☐Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂

Crystal system

Monoclinic

Elements in formula

Iron, Silicon, Oxygen, Hydrogen

Number of elements

4

IMA status

Redefined

Named after

Emmanuel-Louis Gruner

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q420442