looks like fotos. It is small at just over an inch, which is ok, but it is quite thin. Shungite is a soft stone. I will wait to see about its durability.
In terms of the benefits provided by shungite, I will likely shop for something a bit thicker next time. This seems more decorative than therapeutic.
Not a negative purchase; just aspects of the piece that don't match what I was looking for. I chose it, and ratings are subjective, so no problem to the seller.