Item Information

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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

15h 44m 40s

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Pricing & Details

Bid Increment $1.00
Starting Bid $100.00
Auction ID 228091
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Viewed 466 times
Starts 23rd Oct 2016 10:52pm PDT
Ends 24th Oct 2016 10:50pm PDT

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