Minium (mineral) Minium (mineral) Minium is the naturally occurring form of lead tetroxide, PbPbO also known as red lead. Minium is a light-to-vivid red and may have brown-to-yellow tints. It typically occurs in scaly-to-earthy masses. It crystallizes in the tetragonal crystal system. Minium is rare and occurs in lead-mineral deposits that have been subjected to severe oxidizing conditions. It also occurs as a result of mine fires. It is associated with cerussite, galena, litharge, massicot, mimetite, native lead, and wulfenite. It occurs in relatively small amounts throughout the world: Langhecke, Hesse; Badenweiler, Baden-Württemberg; Bleialf, Eifel district; Horhausen (), Rhineland-Palatinate in Germany. It
Galena, Maryland Galena, Maryland Galena is a town in Kent County, Maryland, United States. The population was 612 at the 2010 census. Galena is located at (39.341680, -75.878444). According to the United States Census Bureau, the town has a total area of , all of it land. Galena was founded in 1763 under the name Down's Cross Roads, after William Downs, a local tavern owner. The name was later changed to Georgetown Cross Roads sometime before 1813, and finally to Galena in 1858. The name comes from a supposed silver mine in the vicinity of the town, which extracted the metal from