Polish Flint Orbicular Lapidary Cutting Rough Chunk Stone Cut Face Arizona Rainbow Wood and it's easy to see

and it's easy to see why

It can occasionally have fractures

we recommend using this barrel with 500 grit and beyond

so I'm not sure how it would hold up

Polish Flint Orbicular Lapidary Cutting Rough Chunk Stone Cut Face Arizona Rainbow Wood and it's easy to seeThis one has been cut and is unpolished. The last photo is taken dry. Polish Flint is a rare and exciting form of Orbicular Flint from Poland. It tends to have some ribbed wavy like pattern along with giant egg orbs, which all come together to form some amazing pattern. It takes a good polish, and works into some unique cabochons. It is getting very hard to come by, and I was just informed that the mine this comes from has been permanently shut down,