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, Oregon office moved from the current site of Galena two miles up Elk Creek to their mine. The new post office was named for a body of galena ore in the area, and the town was renamed as well. The mines were worked extensively in the 1860s and were still active in 1940. Galena, Oregon Galena is an unincorporated community in Grant County, Oregon, United States, about from Austin Junction in the Blue Mountains. It is on the Middle Fork John Day River in the Malheur national forest. The former gold mining camp is considered a ghost town. The locale was