5" Polish Flint Slab DX771 welo opal The mineral has a hardness

The mineral has a hardness of around 6 on the Mohs scale

bladed barite formations

and is distinguished by its rich mixture of colors and unique fibrous structure

The faces are very lustrous and have some intricate features that can be seen with proper lighting

5" Polish Flint Slab DX771 welo opal The mineral has a hardnessPolish Flint Slab Approx. Dimensions: 5 x 4 x 0. 5 inches Approx. Weight: 179 grams Locality: Sandomierz, Poland Includes acrylic slab stand! This beautiful slab display has been cut from a Polish flint nodule. It has a full polish on the front and has natural edges from the nodule on top and bottom. Polish Flint is known for its incredibly beautiful banding. It forms in concretions, or large nodules, in Jurassic limestone from about 160 million years