Black Agate Beaded Necklace, Genuine Gemstone Stackable Layering Necklace

Black Agate Beaded Necklace, Genuine Gemstone Stackable Layering Necklace Agate is a rock formation, consisting of chalcedony and quartz as its primary components, with a wide variety of colors. 5 mm black agate square beads 2 mm silver color glass spacers Total length 16" + lobster claw closure + extension chain, the length can be personalized, you can measure one of your own necklaces to have the idea of the length you like.