Brecciated Jasp/Agate from The Carver Agate Field

Brecciated Jasp/Agate from The Carver Agate Field

The Carver has produced red and yellow jaspers, sometimes mixed with green.   Yellow and red are seen in this photo.  After the jasper had initially formed, volcanic forces cracked/fractured the jasper into angular shards.

Eventually a silica solution in either a liquid or semi-liquid state filled the fractured shards and then hardened, cementing the jasper back together.  These shards that are cemented back together are called brecciated.  Since some of the silica filling in the areas between the shards took on a banding (see particularly the upper left corner of the stone), we see a fortification agate which has formed within the brecciated jasper.

For this reason, this specimen can be described as jasp/agate (part jasper, part agate) which is brecciated.

 

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