The Evje og Hornnes geomuseum, Fennefoss hosts an comprehensive collection of pegmatite minerals from the Evje-Iveland district.
In the collection you will find fine samples of classic minerals like thortveitite, aeschynite, euxenite, fergusonite, beryl, monazite, xenotime etc.
Many thematical displays show the importance of minerals for modern society.
An exposition about the once important Flåt nickel mine is under preparation as of 2012. The Flåt mine was once the largest nickel mine in Europe.
The museum is the proud owner of an electroscope designed by Pierre Curie. This electroscope was donated by the Curies to a norwegian physicist who had sent them radioactive samples for their studies. The electroscope can be seen in a special display about Pierre and Madame Curie.