Fayalite definition

fāə-līt
A yellowish to black mineral, Fe2 SiO4 , of the olivine group.
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(mineralogy) Yellow, olive green, brown or black mineral with orthorhombic crystals of the olivine group, Fe2SiO4.
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Other Word Forms

Noun

Singular:
fayalite
Plural:
fayalites

Origin of fayalite

  • German Fayalit from Fayal Faial

    From American Heritage Dictionary of the English Language, 5th Edition

  • fayal (“Faial Island in the Azores") +"Ž -ite. Named in 1840.

    From Wiktionary