Found 1906 AD. A Muonionalusta meteorite slice in a display case. See Graham, A.L., Bevan, A.W.R., & Hutchison, R., Catalogue of Meteorites, London, 1985, p.249. 151 grams total including case, 75mm (3"). From an old Bristol collection; from Norrbotten, Sweden. The Muonionalusta is a meteorite classified as fine octahedrite type IVA (Of) which impacted in northern Scandinavia, west of the border between Sweden and Finland, about one million years BC. The first fragment of the Muonionalusta was found in 1906 near the village of Kitkiöjärvi. Around forty pieces have been recorded to date. Other fragments have been found in the Pajala district of Norrbotten County, approximately 140 kilometres north of the Arctic Circle. The Muonionalusta is probably the oldest known meteorite being 4.5653 billion years old.