Large
Herkimer Diamond
Specimen

 

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Water clear A grade Herkimer specimen

Ruler shows almost 1" in size, it's a large quartz specimen !
More images below

 

 

A Grade Quartz Crystal

 
 
Length: 21.25 mm
Width: 16.5 mm
Depth: 11.5 mm
Weight: 21.6 ct. / 4+ g
Notes:

Our grading process finds only about 15% of all Herkimer Diamonds we mine qualify as A grade quality. Less than 3% of these are this large, at over 21 mm it's a generous specimen.
Anthraxolite, or more accurately, black hydrocarbon (clearly seen in the pictures) is completely external. It was present in the vug where and when the crystal formed. Rather then deter, it adds depth, a rich hue, and authenticity to this remarkable Herkimer.
Facets are clean and smooth, one is a window. It's double terminated and the points are sharp and complete.
Clarity is excellent, and it's internally clean but for a ghost-like inclusion (really only seen with a loupe).
Herkimer, NY is one of the few placed on earth that these brilliant, natural quartz specimens are found. They can be found loose in the dirt and in pockets or vugs in the rock. Mining the diamonds out of the rock is a back-breaking process.
This large Herkimer Diamond is a first-class specimen!

   
Price: US$ 185.00
   
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Large Herkimer Diamond with Black Anthraxolite / Hydrocarbon
Herkimer crystal set against druse matrix

Double terminated quartz crystal.

Photo of excellent clarity.

Bit of anthraxolite on exterior facet.

Background ruler shows large size of Herkimer Diamond.

 

 
 

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