Rockhounding by Rock & Gem Type | DigSpotter

39 locations · Clear, smoky, and rose quartz crystals are among the most common and rewarding rockhounding finds. Arkansas produces wor...

11 locations · Purple quartz crystals found in geodes and pegmatites. Notable sources include Georgia, North Carolina, Pennsylvania, an...

41 locations · Banded chalcedony prized for their colors and patterns. Lake Superior agates, Fairburn agates, and Montana moss agates a...

7 locations · Precious opals with brilliant play-of-color. Nevada's Virgin Valley produces spectacular fire opals worth thousands.

33 locations · Deep red almandine garnets are found in many states. Idaho's star garnets are among the rarest in the world.

2 locations · Nephrite jade is found in Wyoming and Alaska. Prized for its toughness and beautiful green color.

4 locations · Blue-green gemstone found in arid southwestern states. Arizona, Nevada, and New Mexico produce the finest specimens.

5 locations · Montana is the only significant sapphire source in the US. Yogo Gulch and Missouri River sapphires are world-renowned.

1 locations · Crater of Diamonds State Park in Arkansas is the only public diamond-digging site in the world. Over 33,000 diamonds fou...

2 locations · North Carolina's Hiddenite region is the only place in North America where emeralds are found naturally.

11 locations · Blue topaz is Texas's state gem. Utah's Topaz Mountain produces clear and sherry-colored crystals.

40 locations · From shark teeth in Florida to dinosaurs in Montana, the US offers world-class fossil hunting for all skill levels.

16 locations · Ancient wood turned to stone. Arizona's Petrified Forest and Washington's Ginkgo Petrified Forest are world-famous.

13 locations · Hollow rocks lined with crystals. Iowa's Keokuk region is the Geode Capital of the World.

5 locations · Oregon's state rock. Nodular agate-filled formations found in central Oregon's volcanic deposits.

2 locations · Oregon's state gem. A feldspar with brilliant copper inclusions that flash when light hits them.

3 locations · Minerals that glow under UV light. New Jersey's Franklin-Ogdensburg area is world-famous for fluorescent specimens.

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