fayalite
noun
fayalite is a noun meaning “Yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe₂SiO₄” (English Wiktionary, September 2026). It is spelled F-A-Y-A-L-I-T-E, and it appears about once in every 89 million words in written English (wordfreq, 2021 data). The plural of fayalite is fayalites.
What does fayalite mean?
noun
- 1
Yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe₂SiO₄.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of fayalite
- fayalites plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is fayalite?
Fayalite appears about once in every 89 million words in written English, the 301,415th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Fayalite in Spanish, French, German and Portuguese
In the sense iron-rich olivine mineral:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does fayalite come from?
From Fayal (“Faial Island in the Azores”) + -ite. Named in 1840.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).