Galena of Missouri and Wisconsin; the former mining communities of Galena, Kansas and Galena, Illinois take their names from deposits of this mineral. The largest documented crystal of galena is composite cubo-octahedra from the Great Laxey Mine, Isle of Man, measuring . Galena belongs to the octahedral sulfide group of minerals that have metal ions in octahedral positions, such as the iron sulfide pyrrhotite and the nickel arsenide niccolite. The galena group is named after its most common member, with other isometric members that include manganese bearing alabandite and niningerite. Divalent lead (Pb) cations and sulfur (S) anions form a close-packed
Galena, Illinois city was $24,117. About 5.9% of families and 7.9% of the population were below the poverty line, including 13.8% of those under age 18 and 7.0% of those age 65 or over. Galena is a popular tourist destination hosting well over one million visitors each year. Galena is also popular with Chicagoans, many of whom keep second homes in the area. 85 percent of the structures in Galena are within the Galena Historic District, which is listed on the National Register of Historic Places and greatly contributes to the city's popularity. The Old Market House State Historic Site, built in