Mineralogy of Wisconsin




William S. Cordua


Image of Galena in matrix from Hazel Green, Wisconsin


Galena in matrix, Hazel Green, WI

Galena is Wisconsin's official state mineral




I have compiled an extensive data base on the minerals of Wisconsin cross-referenced by county and mineral. Mineral entries are referenced to literature sources which are more thoroughly given in the bibliography database below. If there are problems or questions, you can E-MAIL me, William S. Cordua. The Nov. - Dec. 1998 issue of Rocks and Minerals magazine contains a shorter version of this information organized around a county-by-county listing of key mineral localities.

Mineral List and Links of minerals reported from Wisconsin.

Minerals by County reported from Wisconsin.

Bibliography of Wisconsin Mineralogy

Special Wisconsin Mineral Localities

Minerals FIRST reported from WI

Photo of polished Wisconsin Red Granite, near Wausau, WI

Some Fluorescent and Phosphorescent Wisconsin Minerals

Wisconsin Rockhound and Lapidary clubs

Wisconsin Geological Attractions

Telling meteorites from meteorwrongs

Mineral Uses

To find out about various mineral properties, use Web Mineral or the MinDat index


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