Really unique, interesting piece.  Both pendant and chain are marked Zar 800.  The Zar is difficult to see, but I was able to see it more clearly on the chain, than the pendant, with a jeweler's loupe.  Tried to picture.  

The pendant appears to have designs that look like petroglyphs on it.  People, animals, tools.  There are 3 small figures that have a green inlay- I don't know if it's a stone or enamel.  The chain is a chunkier link- almost a little Goth punk.  This has not been polished at all.