Definition of fayalite in English:

Share this entry

fayalite

Pronunciation: /ˈfeɪəlʌɪt/

noun

[mass noun]
A black or brown mineral which is an iron-rich form of olivine and occurs in many igneous rocks.
Example sentences
  • These minerals occur with manganoan fayalite and manganoan magnetite in a single sample.
  • Several pools of syenitic magma were separated from the main body of the melt, each eventually being emplaced as quartz syenite, fayalite granite, and riebeckite granite.
  • Associated with the fayalite are quartz, amphibole, and magnetite.

Origin

Mid 19th century: from Fayal (the name of an island in the Azores) + -ite1.

For editors and proofreaders

Line breaks: faya|lite

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.