Polish Flint is hard, sedimentary quartz gemstone, a member of the chalcedony family, that dates back to the Jurassic period in Poland. It was used to make to early tools like axes, knives, arrowheads. Its’ earthy dark-grey and deep brown colors showcase bold, concentric and picturesque patterns that were laid down during formation. It has a glassy appearance with a Mohs Scale hardness of 6.5-7, so it takes a fantastic polish.

Origin:  Poland

Dimensions:  4.25" x 4" and approximately 8 mm thick.  Weight = 184 grams. 

Shown wet.  Not polished.  Known flaws are shown as white lines in the final picture frame.