Beautiful Natural Stone Gray Agate 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 Blue Agate stone...Has shades of Gray both light and dark and some have splashes of black and some have splashes of white...As you can see in the pictures, some have a mix of mentioned colors and some have light gray with white etc.Very eye catching, showing us how nature shows its beauty! Due to this being made of natural stone, the patterns may vary. (See Pictures) All stones are similar but No two stones are the same.