Item Information

Dimensions (mm) not provided
Weight (carats) not provided


Large specimen of Herkimer diamond on bedrock Dolostone

Source Herkimer county New York

Size   93 X44 X 38 MM

"Herkimer Diamonds" is the name given to the doubly terminated quartz crystals found in Herkimer County, New York and surrounding areas.


The host rock for Herkimer Diamonds is the Cambrian-age, Little Falls Dolostone. The Little Falls Dolostone was deposited about 500 million years ago and the Herkimer Diamonds formed in cavities within the Dolostone. These cavities are frequently lined with Drussy quartz crystals and often are coated with a tarry hydrocarbon

17h 17m 30s

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Pricing & Details

Bid Increment $1.00
Starting Bid $100.00
Auction ID 228091
Watchers 1 watching
Viewed 611 times
Starts 22nd May 2017 10:52pm PDT
Ends 23rd May 2017 10:50pm PDT

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