Diamond Mountain Mining
Approximate — check official site before visiting
A world-class collector's Herkimer diamond mine on 187 acres in Little Falls. Known for rare Herkimer diamond forms including black stem scepters, barbells, and cathedral-like skeletal crystals. Offers paid dig experiences by reservation. Also has a bed & breakfast (Diamond Suite) on site. The last large undeveloped Herkimer diamond-bearing parcel in Herkimer County.
🪨 What You Can Find Here
Black Stem Scepters
Also found at:
- No other locations listed yet
Barbell Crystals
Also found at:
- No other locations listed yet
Skeletal Crystals
Also found at:
- No other locations listed yet
Hydrocarbon Included Quartz
Also found at:
- No other locations listed yet
📍 Nearby Locations in New York
Benson Mines
St. Lawrence County, New York · Fee Dig
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Crystal Grove Diamond Mine
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Hunt for the famous Herkimer diamonds — beautiful double-terminated quartz crystals first discovered in New York. Equipment rental available.
Gore Mountain
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World-famous for giant almandine garnet crystals, some exceeding 2 feet in diameter. Home of the world's largest garnet deposit.
Herkimer Diamond Mines
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The original Herkimer diamond mining experience. Multiple sites in the area allow digging for these perfectly clear double-terminated quartz crystals.
LCT Lithium Mine
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Pegmatite deposit producing beryl, garnet, and quartz crystals in the Adirondack region.
Rose Hill Mine
Ogdensburg, New York · Fee Dig
Famous mineral locality in the Balmat-Edwards district known for fluorite, sphalerite, and calcite specimens.
⛏️ Recommended Gear
Make the most of your visit to Diamond Mountain Mining with the right equipment.
Rock Hammer
The most essential rockhounding tool. Choose a hammer with both a flat striking face and a pointed pick end.
Typical: $25-45
Safety Glasses
Mandatory protective gear. Rock chips fly unpredictably when hammering.
Typical: $10-20
Chisel Set
Cold chisels in 3-4 sizes for precise extraction from matrix rock.
Typical: $15-30
Geologist's Pick
A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.
Typical: $35-60
Sifting Screen
Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.
Typical: $20-40
UV Flashlight
Long-wave UV light for finding fluorescent minerals and Yooperlites.
Typical: $15-35