RARE Polish Flint Orbicular Lapidary Rough Chunk Birdseye Rhyolite due to it being a

due to it being a light weight metal with excellent thermal stability and conductivity

It is often a blue green coloration

They are very popular in stores and also with kids

Weight: Approx 3 lbs 8

RARE Polish Flint Orbicular Lapidary Rough Chunk Birdseye Rhyolite due to it being aPolish 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, due to cultural artifacts being found on site; though I've been unable