| Regency rose plume agate comes from the Owyhee Mtns. along the Oregon - Idaho border. It is a seam agate and found near the same mining location as the graveyard point plume. It sometimes has pink color plumes giving it its name.
All stones cut by the author. These stones are doublets with dark black jade backing material. Because of the many types of plumes (and their different associated chemistry) it is not usual for this type of plume to "under cut".
Under cutting refers to the pitting or non-polishing of certain areas of a stone that have different hardness than the surrounding material. The softer material sometimes is removed faster than the surrounding hard agate leaving tiny pits or a non-polished surface. Both of these stones under cut some in the tan areas of plume. They were sealed with cyanoacrylate and repolished.
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