next next previous previous
Herkimer Diamond Mine (HDM) Open to the Public
Click next to see public mine
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!
Return often and follow this developing story. Refresh your browser (right click) to see new updates
Updated - 03/09/2019
Contribute to Herkimer Diamond research and have your name below!
Thank you Shannon Haley Wilbur for the donation of 30 samples from the Fonda region.1/05/2019 and 3/2/2019 Check out her Facebook.
Photo Request!
In Place Pocket Photos