Polish Flint Rock Slab 10
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.
Dimensions: 3.75" x 3.5" and approximately 6.9 mm thick. Weight = 133 grams.
Shown wet. Not polished. Known flaws are shown as white lines in the final picture frame.
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