Agate: is a type of quartz (silica), chiefly chalcedony, characterised by its fineness of grain and brightness of color. The colorful agate and other chalcedonies were obtained over 3,000 years ago from the Achates River, now the Drillo, in Sicily.I'm sorry due to the limit of my camera, I cannot present the complete beauty of this bead to you. If you have the chance to get this Rosary, please don't forget to admire it under light.This Rosary will become part of your life! If you have any questions or you need more information about this or any other product, please email me.Please take a moment to browse through the other lovely jewelry items in my store, and add me to your list of favorites.