Definition of fayalite in English:
A black or brown mineral that is an iron-rich form of olivine and occurs in many igneous rocks.
- 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.
mid 19th century: from Fayal (the name of an island in the Azores) + -ite1.
Definition of fayalite in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in Pakistan