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Herkimer Diamond Mine (HDM) Open to the Public
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Best Website for Herkimer Diamond Information - Made Possible by Collector Donations
The information, and photography, on this website is copyright protected by W. David Hoisington, Ph. D. unless another author/photographer is cited.
Herkimer Diamond Mine (HDM)
Take Rt 28 north from Herkimer, NY and look for the KOA campgrounds on the left and the store on the right, which is slighty up a hill and set back from the road.
Welcome to the New Herkimer Diamond Story!
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Contribute to Herkimer Diamond research and have your name below!
Thank you Kathryn S. for the donation of 27 samples which were carefully field collected to demonstrate curved features in quartz. 6/30/2018