HERKIMER SPECIMEN 855 CARATS GTT 2270

Item Information

Dimensions (mm) not provided
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Type
  • Specimen

 

Large specimen of Herkimer diamond on bedrock Dolostone

Source Herkimer county New York

Size  73 X 63 X42 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

$100.00 USD

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Pricing & Details

Auction ID 228096
Watchers 7 watching
Viewed 3,519 times
Starts 22nd Jun 2011 10:55pm PDT

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