Handmade Thassos marble necklace with a fish pattern strung on a string that you can adjust the size

Handmade marble necklace from Thassos marble, geometric design strung on adjustable cord, with gold details.

Handmade marble necklace from Thassos marble, triangle design strung on a silver 925 gold-plated rose gold chain.

Handmade marble necklace from Thassos marble, triangle strung on a cord that you can adjust the size in beige color.