foyaite en · NOUN
Etymology
From Foya + -ite, after the part of Portugal where they can be found.
Meanings
- (countable, uncountable) A K-feldspar-nepheline syenite mineral containing a proportion of ferromagnesian minerals, usually pyroxene, hornblende, and biotite.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| foyaites | Number=Plur | lexicographic |