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Ace of Diamonds Mine & Campground

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28 reviews
+1 (315) 891-3855
Website

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Photos

The rock smashing area.
The rock smashing area.
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
Photo by dennis A
[81 - 89] Herkimer St
Middleville, NY 13406
+1 (315) 891-3855
http://www.herkimerdiamonds.com

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

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4.028 reviews
Carol 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.

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Photo of Dawn M.
Dawn M.
7/15/2023

The folks here are not friendly and welcoming. There was very little to see or do but smash rocks.

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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....

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Gobe M.
8/25/2023

Horrible experience this time compared to two years ago. When we complain nothing was on to sleuth and no piles to use for sleuthing the response was "we haven't been able to mine in two years,...

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Photo of Danielle S.
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,...

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United States›New York›Middleville›Ace of Diamonds Mine & Campground

Partial Data by Infogroup (c) 2025. All rights reserved.

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