What is the pendant made of, and what does the cord look like? — Shungite pendant with wax string "Ring in a ring"

According to the description, the “Ring ringis” pendant is made of Karelian shungite and comes with a waxed cord; it is an accessory for everyday wear around the neck as a piece of jewellery, combining natural stone and a simple design. The shape of the pendant is a ring.

The “50 mm” in the product name is most likely the size of the pendant itself: exact dimensions, the length of the cord and the surface of the stone (matt or glossy) are not stated on the product card. According to the description, detailed information about the material and care is given on the packaging.