Raw Herkimer Crystal


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An elusive rainbow sparks.

Photo show great clarity of quartz.
Additional photographs below

C Grade Herkimer Diamond

Length: 19.5 mm
Width: 15 mm
Depth: 12.5 mm
Weight: 18 ct.

A very pretty raw Herkimer crystal.  One point has a shallow key mark. A key mark is recognized by a geometric indentation that is three or six-sided. It becomes more narrow as it steps into the crystal. It's an area where crystals grew against each other, at different times. The keyed crystal grew at a later date, around the original crystal, the step-like pattern indicating growth and separation. A rainbow strikes in this area.
The clarity of this raw Herkimer crystal is very good.

Price: US$ 27.00
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Raw Herkimer Crystal
Crystal with penny in background for size comparison.

Photo captured a rainbow

Key mark shows here

Touch of black hydrocarbon is present

Raw Herkimer Crystal

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