In good shape
|Dimensions (mm)||100 x 70 x 50mm|
|Weight (carats)||2350 carats|
Large specimen of Herkimer diamond on bedrock Dolostone
Source Herkimer county New York
Size largest diamond on this specimen
“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
The Gemstone Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.
|Starts||11th Jun 2015 9:07pm PDT|
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