This rock was gathered just a few miles from home. It's known locally, along with other rock found in the spillings of coal mines, as "Brookwood Stone." This cabochon doesn't look like the photo; the lower right portion has lots of small transparent areas that refused to reveal themselves "on camera." Very Quartz-y and impressive! Dimensions: Flat girdle; 30mm x 20mm x 8mm. Weight: 34.05 carats.
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