This is not very pretty material on the outside, but inside, polished sections show a scattering of metal flakes, exactly like that which you would find in a stony meteorite.
Some grains are quite sizeable.
Polished pieces showing metallic grains are in preparation. This material, however, is very hard . Finished pieces will necessarily be more costly than if you purchase your own piece and take it to the sanding wheel. Most with pics now sold. I have some smaller pieces.