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The “Seed Crystal Event” in the  Mines and Deposits within the Herkimer Mining District
The “seed crystal event” in the Herkimer Mining District is an important step in the process of making Herkimer diamonds. The “Oil and Seed Crystal Theory” combines two elements suggesting that both oil bearing fluids and quartz bearing fluids interacted within the Herkimer Mining District to help create Herkimer diamonds.
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See more evidence of the intereaction between quartz and hydrocarbon:
Quartz and Hydrocarbon Quartz and Hydrocarbon
The “Seed Crystal Event” Why is it important?
The Best Site on the Internet for Herkimer Diamond Information - A Collaborative Project.
In order to grow Herkimer diamonds the solutions carrying the dissolved materials, that would eventually become Herkimer diamonds, needed some place where the growing could start.  It is quite hard to grow quartz in a rock that is mostly oil covered dolomite.  There is no place to start (nucleation site) the actual growing of Herkimer diamonds . But… if there are very tiny little Herkimer diamond like quartz crystals being carried in solution, before the large episode of Herkimer diamond growth, then these very tiny Herkimer diamonds can act as sites for growing the larger Herkimer diamonds. Small Herkimer diamonds are common, by the thousands, across the district. Tiny ones might be in the millions!
Seed Crystal Evidence: In the slide show above there will be more evidence showing the very consistent presence of seed crystals. This evidence will include the large presence of the little 5 to 10 mm little Herkimer diamonds that can fill up your palm (like the photo on the right), something so common across the district that it must have a connection to the History of Herkimer Diamonds.  But the evidence will go beyond this - to show that the seed crystal event was a unique event that occurred prior to making Herkimer diamonds and that it has many different variations. The evidence also shows that these seed crystals were at one time very, very, small - much smaller than palm full of crystals in the photo on the right…. The new discover to be announced July 16 and 17 will change our understanding of this.
The information, and photography, on this website is copyright protected by W. David Hoisington, Ph. D. unless another author/photographer is cited.
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