Danielle S.
12/25/2018
This was a dream come true! I have always wanted to mine Herkimers and in August I was finally able to do it! There is nothing fancy here, rent tools ($1+ each), "outdoorsy" bathroom/shower,...
Ace of Diamonds Mine & Campground
Closed
(28)
Photos
[81 - 89] Herkimer St
Middleville, NY 13406
Ace of Diamonds Mine in Herkimer, NY is a family-owned and operated business that has been serving customers for over 50 years. They offer a unique experience for visitors to mine and camp for Herkimer Diamonds, brilliant quartz crystals known for their clarity and healing properties.
Located in Middleville, New York, Ace of Diamonds Mine is situated in the heart of the dolomite limestone rock formation where these precious crystals are found. With their hexagonal structure and doubly terminated points, Herkimer Diamonds are not only prized mineral specimens but also believed to enhance creativity, facilitate meditation, and promote healing.
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Reviews
4.028 reviewsCarol R.
3/21/2025
Ace of Diamonds Mine & Campground has been closed for all of 2024 and is not expected to open again - due to family litigation.
Dawn M.
7/15/2023
The folks here are not friendly and welcoming. There was very little to see or do but smash rocks.
Half M.
7/26/2023
This review is on our trip in July 2023. Our first trip to New York to dig for Herkimer Diamonds was back in 2010. We dug at the Ace of Diamonds mine. Great time & loads of herks to be had....
Mary H.
5/29/2023
We had an excellent experience. The facilities were readily available. The gift shop is phenomenal. We drove right to the spot. We wanted to work at and set up camp for the day we found two pinky...
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