Vintage Marcasite & Amethyst Necklace Poss 1950s or Art Deco Great for Wedding

Fabulous Vintage Necklace
Lovely Amethyst, Marcasite design pendant
Unfortunately I am unsure if the stone is amethyst or not
I am unsure of the age but believe that it could date from the 1950s or the Art Deco period
Hangs approx 8.5" in length
Very good condition (please see images)
Please note that I am selling a large number of items including some more jewellery
If you have any questions please get in touch