This is a cross section of a blue agate nodule from The Carver Agate Field. Rock #4914 The small nodule, approximately 2 inches across, was initially cut and lightly shaped to capture the fortification agate in the center of the stone, as well as the ‘white eye’ on the left-hand side of the stone. And for even more interest, there was a contrasting brown spot on the upper right-hand part of the stone. That explains why I was cutting this stone in the way it was cut. Rock #4914 magnified Well, once cut and polished and subjected to modest magnification, the brown spot suddenly and unexpectedly became the highlight of the stone and the subject of this blog. Magnification, as shown above, produced a highly angular brown crystalline structure and not shards of broken or fragmented stone encased later in the agate. When this agate nodule formed inside of a […]

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