Genuine Muonionalusta meteorite slice from Norrbotten, Sweden. The Muonionalusta is a meteorite classified as fine octahedrite, type IVA (Of) which impacted northern Scandinavia, west of the border between Sweden and Finland, about one million years BCE. The meteorite was first described in 1910 by professor A. G. Högbom, who named it "Muonionalusta", after a nearby place on the Muonio River. It fell 110,000 years ago but was discovered in 1906. It is classified as a fine octahedrite.