The Best Site on the Internet for Herkimer Diamond Information - A Collaborative Project.
The information, and photography, on this website is copyright protected by W. David Hoisington, Ph. D. unless another author/photographer is cited.
Welcome to the New Herkimer Diamond Story!
Return often and follow this developing story. Refresh your browser (right click) to see new changes made weekly.
Every year we will take on one of the unresolved problems in the Story about Herkimer diamonds. For 2016 it is the spheres project. If you have found any type of curved crystal feature in the Herkimer Mining District, please send us a photo, or a sample donation.
The Spheres and Circular Faces
The spheres and the circular faces have now been found at 3 mines: AD, LF and TCR. But we still know little about them. So far it looks like they occur in with hydrocarbon and that there may be a connection with the crystal frost.There is variation in form, but to understand this better we need as many donations as possible.To see more sphere and circular face photos go to: