greigite
Fetched 2026-10-26 (cache).
Synonyms: greige, reignite, reigate, ureilite
Antonyms: greige, reignite, reigate, ureilite
Related words from Datamuse; suggestions, not definitions.
Noun
- {{lb|en|mineral}} A [[magnetic]] form of [[iron sulfide]], [[iron|Fe]]<sup>2+</sup>Fe<sup>3+</sup><sub>2</sub>[[sulfur|S]]<sub>4</sub>, analogous to [[magnetite]], produced by [[microorganism]]s and found in lake [[sediment]]s; Note: half the iron ions are [[ferrous]] and half [[ferric]].
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.