In 1803, Sam Ruggles discovered mica on his property and started the first commercial mica mine in the country. Now you can explore the pits, tunnels, and arched ceilings of this world famous mine. Ruggles Mine is the Oldest and one of the most spectacular Mica, Feldspar, Beryl,and Uranium mines in the USA. Mine your own minerals! Open Seven Days a week Mid-June through Mid-October. Admission is charged.