DILLON, Mont. — Molten granite formed the Pioneer Mountain Range in southwest Montana about 72-million years ago. As the granite cooled, water carried quartz and other minerals through the rocks and ...

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

The rock hunters also wondered if they could dig for the gems and bring other people to the field. The Rebecks weren't sure they wanted strangers literally digging about the property; Trent Rebeck ...

\Crater of Diamonds State Park in Arkansas is the only finders-keepers diamond mining park in the U.S. So set out and Strike it rich in the hills of Arkansas on your next vacay. With the hope of ...

He thinks Staten Island is treasure island. At 6 a.m. this past Saturday, David Hager, 58, and wife Michelle, 51, and two sons, Tyler and Ryan, 21 and 17, started digging in a small park in the ...

“I feel sick if I don’t search for diamonds. It’s like a drug.” Prakash Sharma, 67, speaks about diamonds with a passion that has defined his life for the past five decades. A diamond hunter in ...

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.