Zinc
Zinc (Zn) is a bluish-white metallic element, or metal, that is a component of many alloys—metallic solids or liquids made up of two or more metals. It's usually found in combination with other elements in minerals such as sphalerite and at one time was mined in southeastern Kansas.
Resources
Buchanan, R., 2010, Kansas Geology: An Introduction to Landscapes, Rocks, Minerals, and Fossils (2nd ed.): Lawrence, Kansas, University Press of Kansas, 240 p.
Buchanan, R., and McCauley, J. R., 2010, Roadside Kansas: A Traveler's Guide to Its Geology and Landmarks (2nd ed.): Lawrence, Kansas, University Press of Kansas, 392 p.
Kansas Rocks and Minerals, Kansas Geological Survey Educational Series 2