Exceptional, 9.2" Polished, Striped Flint Section - Poland

Exceptional, Polished, Striped Flint Section - Poland #193543

This is a large, 9.2" wide polished section of striped flint, collected from the Swietokrzyskie Mountains of Poland. This form of flint is fairly rare and will typically display a striking, banded striping pattern, hence its use today in jewelry. The cream, browns, and mahogany colors appeal to the senses in their swirled pattern, and are reminiscent of latte art.

This specimen would be perfect for display, or even to cut additional slabs from.

Striped flint, also known as "banded flint" is a type of flint exhibiting concentric banding alternating between light and dark bands. This banding can vary in color, however the colors are most often hues of brown. It is believed to have formed by precipitation of silica directly from seawater and is found as concretions within limestone deposits. The crystallinity is typically higher in the centre of a concretion.

Most striped flint is mined from a deposit in Poland, near the cities of Sandomierz, Ostrowiec Świętokrzyski and Iłża. It is found in deposits that are Upper Jurassic (Oxfordian) stage in age, or approximately 160 million years old.

Because of its rarity and distinctive look, striped flint from Poland is often used in jewelry. It's use goes back thousands of years. It was mined in the area by Neolithic people around 4,000 BC, and used in the manufacturing of stone tools.

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