Hand Sample Missing
Thin Section Missing

Foidite

IUGS Definition ( QAPF Chart )

Foidite: “A general term for volcanic rocks containing more than 60% foids in total light-coloured constituents. If possible the most abundant foid should be used in the name, e.g. nephelinite, leucitite, etc.”
Photos
Typical Minerals
  • feldspathoids
  • clinopyroxene