Kleva mine is a now disused mine in Alseda Parish, Jönköping County. Kleva detected mine 1691 and the first processed in a number of repeats for the extraction of copper, its Jöns Jacob Berzelius 1838 showed that nickel occurring there, after which the extraction of the metal was essentially. The mine avsänktes 1914-19 to 109.6 meters balance. In addition to copper and nickel products produced by the weathering products from the warp even red. The deposit is the precipitation of nickel and copper pyrrhotite and pyrites from the diorite. The smelting of the ore was designed in recent times typically about 2% nickel and 0.5-0.75% copper.