Item Information

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

$100.00 USD

Add to Cart Make an Offer
Shipping $15.00
21 Days via Registered Shipping
Add to Watch List Ask a Question * All prices in USD

Audit Information

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.

Pricing & Details

Auction ID 505031
Watchers 2 watching
Viewed 1,763 times
Starts 11th Jun 2015 9:07pm PDT

Shipping & Insurance

Provider Shipping Transit
FedEx $29.00 10 days
Registered Shipping $15.00 21 days
Shipping Insurance all providers $7.00 (optional)

Gem Traders Details

You May Also Like