Polish Flint Rock Slab 3
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 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: 3.25" x 2.75" and approximately 7.1 mm thick . Weight = 66 grams.
Shown wet. Not polished. No known flaws,
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