RARE Polish Flint Orbicular Rough Chunk! Chinese Rainbow Fluorite I am honestly unsure of

I am honestly unsure of what its composition is

one this is certain though

Weight: Approx 22 Lbs

Weight: Approx 7 lbs 1

or from the high silica waters that seeped within

RARE Polish Flint Orbicular Rough Chunk! Chinese Rainbow Fluorite I am honestly unsure ofPolish 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