Herkimer Diamond Mining Locations
1. Diamond Mountain Mining - Little Falls, NY (about 20 minutes from the cabin)
Overall Impression - One of the premier collector's mines in New York. It is geared toward people looking for exceptional specimens rather than simply finding lots of crystals. Best for collectors who want the possibility of finding exceptional or valuable crystals and don't mind paying for a premium experience.
Pros
Forested property with significant shade
Combination of dirt digging and hard rock breaking
Prospector available to help beginners locate productive areas
Beautiful property with trails and scenic views
Chance of finding museum-quality specimens with patience and some luck
Rare crystal varieties including black stem scepters, skeletal crystals, and "black diamonds"
Short drive from the cabin with an easy gravel road to the mine
Cons
Expensive: $120 per adult
Reservations required
Serious collecting often requires hard physical work
2. Herkimer Diamond Mines - Middleville, NY (about 21 minutes)
Overall Impression - The oldest and most famous public Herkimer diamond mine. A good first experience. Best for families, first-time visitors, and anyone wanting the Herkimer mining experience without spending a lot.
Pros
Least expensive major mine
Well established with excellent facilities
Good for families and beginners
Equipment rentals available
Campground, gift shop, and restaurant nearby
Cons
Very little shade—can become extremely hot on sunny days
Primarily hard rock breaking
Most easy-to-find crystals have already been collected
Finding large, high-quality crystals requires experience and persistence
3. Crystal Grove Diamond Mine - St. Johnsville, NY (about 22 minutes)
Overall Impression - Often considered one of the better places for beginners because crystals are found in several different types of digging areas. Families, beginners, and collectors who enjoy display pieces with crystals still attached to the host rock (matrix specimens).
Pros
Inexpensive admission
Combination of dirt digging and hard rock digging
Easier to find crystals than many other mines
Many crystals remain attached to the surrounding rock (matrix), creating beautiful display specimens
Campground available
Good balance between casual collecting and serious digging
Cons
Can be very sunny and hot, although some shaded areas are available
Spectacular crystals still require patience and hard work
Loose "perfect" crystals are less common because many remain attached to the rock
4. Herkimer Mountain Diamond Mine - Fonda, NY (about 45 minutes)
Overall Impression - One of the newer premium mining experiences with excellent natural surroundings and a strong emphasis on guided collecting. Visitors who want a premium guided experience without the crowds found at larger commercial mines.
Pros
Large amount of shade from surrounding forest
Dirt digging and hard rock breaking
Experienced prospectors help visitors get started
Good opportunity to find high-quality crystals
Beautiful wilderness setting
Cons
Expensive (around $120 per adult)
Only open on selected weekends
Longer drive from the cabin
5. Mohawk Valley Mineral Mining - Sprakers, NY (about 50 minutes)
Overall Impression - Popular with collectors looking for large crystals, but all sizes and types of crystals can be found here.
Pros
Mix of sun and shade
Dirt digging and hard rock breaking
Guided prospectors available
Chance of finding quality specimens
Known for unusually large Herkimer diamonds
Primitive camping available
Several different mining options depending on experience
Cons
More expensive than the budget mines
Slightly farther drive
Hillside location
Rare Herkimer Diamond Barbell Crystal that I found at Diamond Mountain
Largest crystal that I found at Mohawk Valley Mineral Mining