Herkimer Keyed Crystal
with Bridge


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Bridge crystal shows here.

Image show the large key mark.
More photographs below



A Grade Herkimer Diamond

Length: 21.25 mm
Width: 16 mm
Depth: 13.25 mm
Weight: 20.83 ct. / 4.16 g

A beautiful and complete Herkimer crystal with a clean key mark and double terminated bridge crystal.
A bridge crystal is recognized as a smaller crystal which is part in and part out of a larger crystal. The smaller crystal would have been formed first, the larger forming later and wrapping itself around the bridge crystal. While the 6 mm bridge crystal is complete, it does have some growth marring. It is located opposite the key.
The key mark, covers several facets and is well defined. A key mark is an imprint left from another Herkimer Diamond that grew along side the crystal, but did not adhere. Spiritually It is used to unlock the doors to healing concepts and aides in answering questions about the self. It makes this quartz gem really glitter.
Externally, minimal black hydrocarbon growth occurrences add depth and authenticity to this Herkimer crystal with excellent clarity.
Only about 15% of Herkimer Diamonds mined qualify as A grade quality, less than 3% of these are over 20 mm.

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Complete Herkimer Crystal with Key and Bridge
Dime in background to show size.

Key mark covers several facets, or faces.

Complete and double terminated quartz crystal.

Herkimer Diamond with excellent clarity.



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