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Ace of Diamonds Mine
Middleville, New York
💎 Herkimer Diamond
💎 Quartz Crystal
💎 Calcite
💰 $15 per person 4.3 / 5
About Ace of Diamonds Mine
Another great Herkimer Diamond location in Middleville, NY. Dig in ancient dolostone layers for double-terminated quartz crystals. Excellent family-friendly experience with tools provided.
Gems & Minerals You Can Find
💎Herkimer Diamond
💎Quartz Crystal
💎Calcite
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Open in Google MapsPay-To-Dig Gem Mining at Ace of Diamonds Mine
Ace of Diamonds Mine is a pay-to-dig gem mine located in Middleville, New York. Visitors can dig for Herkimer Diamond, Quartz Crystal, Calcite and keep everything they find. Pay-to-dig experiences like Ace of Diamonds Mine are popular with rockhounds, families, and gem enthusiasts looking for a hands-on outdoor adventure.
Looking for more rockhounding in New York? Explore free rockhounding locations in New York or browse all pay-to-dig mines in New York.