You’ll recieve the exact cabochon listed 
Polish flint is a rare, semiprecious stone that comes from Poland. It's a type of flint with a distinctive banding pattern, and is also known as banded flint or striped flint. 
Formation
Polish flint is a sedimentary rock made of microscopic quartz crystals 
It formed in limestone deposits during the Jurassic period, about 160 million years ago 
It's believed to have formed when silica precipitated directly from seawater 
Polish flint is found in the Holy Cross Mountains in Poland, near the towns of Sandomierz, Ostrowiec Świętokrzyski, and Iłża