Shainmayer

A Travel, Bread, Gemstone, & Music Blog

Progression of a preform

In lapidary terms, that’s just plain silly. But in agate like this piece of Brazil, its shows well how a natural preform cabochon shape can change when cutting. I was trying to preserve as much as the bright color as possible. And it still needs a trim before I sand it. Thanks to bob rush for the inspiration.

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