Crater of Diamonds State Park, AR - gem hunting in the USCrater of Diamonds State Park, AR - gem hunting in the US

Mined in America: Top Spots for Gem Hunting in the US


Discover America's best gem hunting locations where you can unearth emeralds, diamonds, sapphires and more! Plan your gemology vacation with our expert guide to top spots.

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By Donald Clark, CSM IMG, International Gem Society, updated on

Are you looking for an exciting vacation that combines adventure, education, and the thrill of discovery? Gem hunting across America's mineral-rich landscapes might be the perfect choice for your next getaway. This comprehensive guide will introduce you to the most rewarding locations where you can unearth valuable gemstones with your own hands.

In this article, you'll learn:

  • Where to find emeralds, diamonds, sapphires, and other precious gemstones across the United States.
  • What equipment and preparation you need before embarking on your gem hunting adventure.
  • How to turn your discovered treasures into beautiful jewelry pieces.
  • Which famous gem hunting locations have produced valuable finds worth thousands of dollars.

You can mine all sorts of beautiful gemstones in the United States. This Montana sapphire made a wonderful engagement ring stone. Imagine finding your own treasure this summer through gem hunting. Watch your own gem take shape, from rough to faceted, then have it set in an amazing jewelry piece. Video by CustomMade. Used with permission.

Why Gem Hunting Makes an Unforgettable Vacation Experience

Planning a gem hunting expedition offers a unique vacation opportunity that combines outdoor adventure with the possibility of discovering valuable treasures. These excursions allow you to explore beautiful natural settings while searching for precious stones that may be worth significant amounts of money. Gem hunting provides an educational experience that introduces beginners and children to basic gemology concepts through hands-on learning.

Before setting out on your gem hunting adventure, consider visiting locations where others have already made remarkable discoveries. The United States boasts numerous sites where visitors have unearthed gemstones worth thousands of dollars, often in places you might never expect to find such treasures.

Essential Preparation Tips Before Your Gem Hunting Trip

Before embarking on your gem hunting expedition, proper preparation is crucial for a successful and enjoyable experience. Consider these important factors:

  • Research the specific location thoroughly to understand what types of gemstones you might find and what techniques work best for that area.
  • Pack appropriate tools such as shovels, screens, buckets, and magnifying glasses to maximize your chances of success.
  • Wear suitable protective clothing including gloves, sturdy footwear, and sun protection for comfort during extended periods of digging.
  • Check the operating seasons and hours of your chosen location as many mines are only open during specific months.
  • Familiarize yourself with the fee structure and policies regarding keeping what you find at each site.
group mining at Cherokee Ruby Mine
Group mining. © Cherokee Ruby & Sapphire Mine. Used with permission.

Emerald Hollow Mine, Hiddenite, North Carolina: America's Only Public Emerald Mine

Located just an hour's drive from Winston-Salem, North Carolina, the Emerald Hollow Mine stands as the only public emerald mine in the United States. This 70-acre site offers visitors multiple ways to experience gem hunting:

  • You can search through material at the Emerald Hollow Mine sluiceways for a nominal fee.
  • More adventurous visitors can conduct their own prospecting, digging, and hunting expeditions on the property.
  • Beyond emeralds, the mine yields tourmaline, garnet, topaz, aquamarine, and even the rare variety of spodumene called hiddenite.
gem sluice, Hiddenite, NC
Gem sluice, Hiddenite, NC. Photo by Robert Nunnally. Licensed under CC By 2.0.

The mine remains open year-round, making it accessible for gem hunters in every season. The town of Hiddenite itself was named in 1913 after the distinctive gemstone discovered in the area, creating a rich gemological heritage that continues today.

mining for gemstones, Hiddenite, NC
Mining for gemstones in Hiddenite, NC. Photo by BuzzFarmers. Licensed under CC By 2.0.

Crater of Diamonds State Park, Murfreesboro, Arkansas: Hunt for Diamonds in the Rough

Located approximately 120 miles from Little Rock, Crater of Diamonds State Park offers a truly unique experience as the only existing mine where the public can search for diamonds and keep their findings. The park provides various amenities to enhance your gem hunting adventure:

  • Onsite camping facilities allow you to immerse yourself in the natural surroundings while pursuing your treasure hunt.
  • Equipment rental services provide all the necessary tools for serious diamond prospecting.
  • Professional appraisers can evaluate your discoveries to determine their potential value.
Crater of Diamonds State Park, AR - gem hunting in the US
Crater of Diamonds State Park. Photo by Matt Howry. Licensed under CC By 2.0.

So far, visitors to the park have found well over 30,000 diamonds, including a 16-carat beauty in 1975, so your chances of landing a stone are high. As with other diamond deposits, most of the stones are small and included, but some fine gems have been found here.

Crater of Diamonds State Park, AR 2
Crater of Diamonds State Park. Photo by ZhaoScorpio. Licensed under CC By-SA 2.0.

In June, 2015, an 8.52-carat diamond was discovered at Crater of Diamonds. With an estimated value of $1 million, it's the most valuable diamond ever mined in the US. Read more about this unique diamond named "Esperanza."

    Gem Mountain, Spruce Pine, North Carolina: Where Blue Gems Await Discovery

    The breathtaking Blue Ridge Mountains provide the perfect backdrop for hunting aquamarines at Gem Mountain in Spruce Pine, North Carolina. This popular gem hunting destination offers multiple benefits for visitors:

    • Professional gemologists are available onsite to authenticate your discoveries.
    • Skilled lapidaries can transform your rough stones into polished gems before you leave.
    • Beyond aquamarines, lucky prospectors might uncover rubies and moonstones in the rich mineral deposits.

    The combination of professional services and diverse gemstone opportunities makes Gem Mountain a comprehensive destination for both novice and experienced gem hunters.

    Gem Mountain, NC
    Sifting under a covered flume. © Gem Mountain Gemstone Mine, Spruce Pine, NC. Used with permission.

    Cherokee Ruby & Sapphire Mine, Franklin, North Carolina: Discover Red and Blue Treasures

    The Cherokee Ruby & Sapphire Mine in Franklin, North Carolina provides an accessible gem hunting experience for visitors of all ages. The mine features a straightforward sluicing process:

    • You'll use screens to sift through rocks and dirt, searching for precious gemstones.
    • Beyond rubies, the mine yields sapphires, garnets, and rutiles.
    • The affordable admission price makes this an economical family activity.
    Rutile - Cherokee Ruby and Sapphire Mine
    Rutile find. © Cherokee Ruby & Sapphire Mine. Used with permission.

    Operating from April through October, this mine offers the perfect seasonal gem hunting opportunity against the stunning backdrop of the Blue Ridge Mountains.

    Cherokee Ruby Mine - ruby find
    Ruby find. © Cherokee Ruby & Sapphire Mine. Used with permission.

    Gem Mountain Sapphire Mine, Philipsburg, Montana: Source of Unique Blue-Green Sapphires

    A gorgeous blue-green 5-ct Montana sapphire set in 18k rose gold by CustomMade.com. Photo used with permission.

    Montana's spectacular natural beauty provides the perfect setting for gem hunting at the Gem Mountain Sapphire Mine. This location specializes in the increasingly popular Montana sapphires, which feature a distinctive blue-green color that makes them highly sought after for engagement rings and fine jewelry.

    • Expert staff members help clean your discoveries and assess their quality and value.
    • Options exist for purchasing sapphire gravel to take home for continued treasure hunting.
    • The mine offers ready-made jewelry featuring their signature Montana sapphires for those seeking immediate gratification.

    Montana sapphires continue to gain popularity in fine jewelry applications, particularly as engagement ring center stones, due to their unique coloration that distinguishes them from other sapphire varieties.

    Gem Mountain, sapphire mining, MT
    Gem Mountain, Philipsburg, MT. Photo by Richard Sprague. Licensed under CC By 2.0.

    The staff will help you clean your gems and assess them, so you'll know which stones are worth saving and possibly turning into wearable pieces. You can also purchase sapphire gravel to take home or ready-made jewelry designs featuring the gorgeous Montana sapphires.

    sapphire picking, Philipsburg, MT
    "Quincy Picking Sapphires," Philipsburg, MT. Photo by Glenn Harper. Licensed under CC By-SA 2.0.

    More Montana Gem Hunting Locations: Additional Sapphire Opportunities

    Beyond Gem Mountain, Montana offers additional excellent locations for sapphire hunting and other gemstones. TheEldorado Bar and Spokane Bar mines both produce significant quantities of sapphires along with diverse other gemstones:

    • The Eldorado Bar Mine operates as private property but accepts reservations for summer digging sessions.
    • Spokane Bar Mine provides multiple options including onsite digging and take-home gem gravel bags.
    • Guided tours are available for those seeking a more structured gem hunting experience.

    For more detailed information about the Montana sapphire mining experience, exploreJeff Moriarty's article and video about his visit to the Eldorado Bar and Spokane Bar mines.

    Rainbow Ridge Opal Mine, Virgin Valley, Nevada: Hunt for Precious Fire Opals

    The stunning multicolored gem known as opal draws enthusiasts to theRainbow Ridge Opal Mine in Virgin Valley, Nevada. This productive site has yielded exceptionally valuable specimens:

    • Some opals discovered here have been valued at over $50,000.
    • The mining process requires serious digging equipment including tools and buckets.
    • The mine operates seasonally from May through September.

    While the work at Rainbow Ridge demands significant effort, the potential rewards make it worthwhile for dedicated gem hunters seeking valuable opals with distinctive fire patterns.

    Opals, Virgin Valley, Nevada
    Three pieces of opal from Virgin Valley, Nevada. © Rob Lavinsky, www.iRocks.com. Used with permission.

    Bonanza Opal Mine, Denio, Nevada: Nevada's Fiery Gem Destination

    For those specifically interested in hunting fire opals, theBonanza Opal Mine in Denio, Nevada provides another excellent opportunity. This seasonal operation welcomes visitors from May through September during the optimal weather conditions for gem hunting in the region.

    fee digger opal find, Bonanza Opal Mines - gem hunting in the US
    A great find. © Bonanza Opal Mines, Inc. Used with permission.

    Crystal Grove Diamond Mine, St. Johnsville, New York: Home of the Herkimer Diamonds

    New York State offers more than just urban attractions—it's also home to theCrystal Grove Diamond Mine, where visitors can hunt for the famousHerkimer diamonds. These beautiful double-terminated quartz crystals were first discovered in New York and have gained popularity among gem hunters for their exceptional clarity.

    • Equipment rental is available for those who don't bring their own prospecting tools.
    • Some crystals are embedded in rock and require chisels or hammers for extraction.
    • The perfectly clear specimens are particularly prized by collectors and jewelry makers.

    The effort required to extract these crystals is well rewarded by their distinctive appearance and geological significance.

    Herkimer diamond, NY - gem hunting in the US
    The gem known as "Herkimer diamond" is actually a type of quartz, like this crystal from Herkimer County, New York, USA (2 x 1.3 cm). Photo by Didier Descouens. Licensed under CC By-SA 3.0.

    Fairy Stone State Park, Stuart, Virginia: Nature's Cross-Shaped Gems

    Fairy Stone State Park in Stuart, Virginia offers a unique gem hunting experience focused onStaurolite crystals. These fascinating minerals naturally form in cross shapes that have inspired numerous legends and folklore:

    • These distinctive cross-shaped formations are known as "fairy stones" or "fairy crosses."
    • Unlike other gem hunting locations, these specimens can often be found right on the ground's surface.
    • The cultural and historical significance of these formations adds an interesting dimension to the gem hunting experience.
    fairy cross stone, Virginia - gem hunting in the US
    Natural cruciform staurolite or "fairy stone," found at the Fairy Stone State Park, Virginia. Photo by Virginia State Parks. Licensed under CC By 2.0.

    Gone But Not Forgotten: Closed Gem Hunting Locations

    While new gem hunting opportunities continue to develop, some previously popular locations have closed to the public. These historical sites remain important to the story of American gem hunting.

    Jackson's Crossroads Amethyst Mine, Wilkes County, Georgia: Former Amethyst Haven

    TheJackson's Crossroads Amethyst Mine in Wilkes County, Georgia, is now closed to public access. This formerly productive site was known for producing exceptional amethysts with distinctive characteristics:

    • The amethysts featured beautiful deep purple colors.
    • Many specimens displayed remarkable red and blue flashes when viewed in certain lighting.
    • The mine produced collector-quality specimens that are still highly valued today.
    amethyst, Jackson's Crossroads - gem hunting in the US
    Violetish purple amethyst, 8.55 cts, 16 x 12 mm, oval brilliant, Jackson's Crossroads, Wilkes Co., Georgia. © The Gem Trader. Used with permission.

    Morefield Mine, Amelia, Virginia: Amazon Stone Treasury

    The Morefield Mine near Richmond, Virginia, has ceased public operations. The owners have specific plans for the site's future:

    topaz, Morefield Mine, VA
    Topaz in situ. Harvest and photo by Mark Joseph Wylie. In the collection of Sam Dunaway. Morefield Pegmatite Mine, Amelia Co., Virginia, USA. Public Domain.

    During its operational years, the mine was renowned for its abundantamazonite deposits. Other minerals found at this location included garnet, amethyst, beryl, and topaz. The significance of the mine's output is demonstrated by dedicated exhibits at both the mine site itself and the prestigious Smithsonian Institution in Washington, DC.

    Morefield Mine
    "Treasures from the Morefield Mine." Photo by Ryan Somma. Licensed under CC By-SA 2.0.

    Alternative Gem Hunting: Indoor Treasure Hunting Options

    For those who prefer gem hunting without the outdoor challenges, numerous gem shows across the United States offer indoor alternatives. These events bring together dealers, miners, and enthusiasts in comfortable settings:

    These indoor events provide excellent opportunities to learn about gemstones, meet experts in the field, and purchase specimens without the physical demands of traditional gem hunting.

    You can mine all sorts of beautiful gemstones in the United States. Imagine finding your own treasure this summer through gem hunting. Watch your own gem take shape, from rough to faceted, then have it set in an amazing jewelry piece.

    Denver Gem and Mineral Showcase
    Fire agates for sale at the Denver Gem and Mineral Showcase. © Addison Rice. Used with permission.

    Donald Clark, CSM IMG

    Donald Clark, CSM founded the International Gem Society in 1998. Donald started in the gem and jewelry industry in 1976. He received his formal gemology training from the Gemological Institute of America (GIA) and the American Society of Gemcutters (ASG). The letters “CSM” after his name stood for Certified Supreme Master Gemcutter, a designation of Wykoff’s ASG which has often been referred to as the doctorate of gem cutting. The American Society of Gemcutters only had 54 people reach this level. Along with dozens of articles for leading trade magazines, Donald authored the book “Modern Faceting, the Easy Way.”


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