Septarian (Dragonstone) meaning. Septarian (also known as Dragonstone) gets its name from the Latin word "saeptum", which means a small wall or enclosure. The mineral-filled cracks that divide the walls of the septarian concretion give this stone a distinctive appearance. Septarian is a healing stone beneficial to overall health and well being. Opens psychic abilities. Gives relief for muscle spasms. Grounds.