fayalite
fayalite noun: yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe₂SiO₄.

Noun
fayalite (countable and uncountable, plural fayalites)
- Yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe₂SiO₄.
Forms of fayalite
| plural | fayalites |
|---|
Origin of fayalite
From Fayal (“Faial Island in the Azores”) + -ite. Named in 1840.
Words formed from fayalite
Questions about fayalite
- What does fayalite mean?
- Fayalite means yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe₂SiO₄.
- What part of speech is fayalite?
- Fayalite is a noun.
- What is the plural of fayalite?
- The plural of fayalite is fayalites.
Words near fayalite in the dictionary
Source and license
Adapted from Wiktionary: fayalite (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “fayalite.” Word.ws, https://word.ws/fayalite. Based on Wiktionary, CC BY-SA 4.0.
