Herkimer Diamond Mines
Break open dolostone in the open surface mines with a hammer to free doubly terminated quartz crystals, or screen a purchased bag at the sluice station.
Besöket
Varför det är värt resan
Cracking rock to reveal a fully formed crystal makes the link between host rock and finished gem material immediate rather than theoretical.
Innan du går
The site states that everything you find is yours to keep, that no reservations are needed, and that admission includes an all-day prospecting ticket, collection bags and use of a rock hammer. Closed-toe shoes are required, eye protection is recommended, children aged 4 and under are not given tools, and tools over 12 lbs and powered equipment are not allowed.
Sammanställt från herkimerdiamond.com, läs mer på 16 augusti 2026.
Öppettider, säsonger och priser kan ändras, och vi är inte arrangören. Kontrollera uppgifterna direkt med anläggningen innan du reser dit. Vi tar ingen provision på besöken.