Beautiful Natural Semi Precious Ruby Zoiste Stone Heart Pendant. This Pendant is 20 mm and hangs on an 18" durable imitation leather chain which has an extension chain to be able to make the necklace longer. This heart pendant boasts the beauty of the Ruby Zoiste stone...Has shades of greens, purples, black...Very eye catching, showing us how nature shows its beauty! Due to this being made of natural stone, the patterns may vary. (See Pictures)