Wisconsin moonstones are only found in a small corner of Marathon County. This business allows people to dig for them.

Rockhounding is a popular activity, but digging through the rules of where you can go and what you can keep isn't much fun.

A family has made a remarkable discovery by digging up a massive diamond at a state park using cheap tools they bought at a dollar store. Raynae Madison and her family were on a trip to Arkansas from ...

Wisconsin moonstones are shimmering blue feldspars created 1.5 billion years ago by volcanic activity. The only place where Wisconsin moonstones are found is in a small niche of Marathon County.