Prairie du Chien, Crawford County, Wisconsin, USA
Assortment of Lake Superior Agates collected from Prarie du Chien, Wisconsin. All specimens show the classic banding patterns characteristic of "Lakers."
© Christopher Clemens
Kraemer-Hanson Quarry, Crawford County, Wisconsin, USA
Dolostone containing vugs with drusy quartz coated with white calcite crystals. Head of 3 pound Estwing Crack Hammer fro scale. The dolomite in the dolostone fluoresces yellow SW and MW UV light. The calcite fluoresces and phosphoresces blue SW and MW UV light.
© Bill Cordua