shop › atta cor necklace Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 atta cor necklace $35.00 Copper electroformed amethyst quartz strung on copper chain. Chain length = 18.5” Pendant length =1.25” Purchase Added! Copper electroformed amethyst quartz strung on copper chain. Chain length = 18.5” Pendant length =1.25”