Meanings
nounmarcasite (countable and uncountable, plural marcasites)
plural marcasites
- countableuncountablechemistryThe orthorhombic form of iron disulfide, FeS₂, occurring as yellow crystals.First known use 19th c.
Synonyms: white iron pyrite
- countableuncountablejewelryPyrite.
- countablehistoricaluncountableAny of various metal sulfides, usually iron sulfide minerals.First known use 15th c.
If he wants to speak as a physician, however, he must say, this marcasite is the man's disease, hence it will cure him.
1999, Paracelsus, “Opus Paramirum”, in Nicholas Goodrick-Clarke, transl., Essential Readings, North Atlantic Books, page 95
Synonyms & antonyms
nounThe orthorhombic form of iron disulfide, FeS₂, occurring as yellow crystals.
Similar
Also see
Origin
- Sumerian𒈥𒄩𒅆𒆠
- Arabicمَرْقَشِيتَا (marqašītā)
- Englishmarcasite
From Medieval Latin marchasita et al., from Arabic مَرْقَشِيتَا (marqašītā).
More words from Medieval Latin, Arabic
Full word history & related roots →Translations
Arabic مَرْقَشِيتَا
- مَرْقَشِيتَا (marqašītā)mineral
Catalan marcassita
- marcassitamineral
Czech markazit, markasit
- markazitmineral
- markasitmineral
Finnish markasiitti
- markasiittimineral
French marcassite
- marcassitemineral
German Markasit
- Markasitmineral
Italian marcasite
- marcasitemineral
Latin marchasita
- marchasitamineral
Polish markasyt, markazyt
- markasytmineral
- markazytmineral
Romanian marcasit
- marcasitmineral
Russian маркази́т
- маркази́т (markazít)mineral
Spanish marcasita, margajita
- marcasitamineral
- margajitamineral
Welsh marcasit, maen tân
- marcasitmineral
- maen tânmineral
Cite this entry
APA
marcasite. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/marcasite
MLA
“marcasite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/marcasite. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “marcasite,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/marcasite.
Source: marcasite on Wiktionary, CC BY-SA 4.0.