This is a Bronze Orb with a Bronze lace textured piece, pyrite beads and Sterling Silver chain.
It can be worn short (doubled on itself) or long with a dual clasp system.
It comes in different variations of size, shape of the bronze piece and other little variations.
The orb could also be Sterling and the pendant White Bronze or Steel it also comes in a convertible model.
This orb is around 6cm in diameter.