Our Septarian is smooth and polished with a rough and natural shape. How Septarian is formed is somewhat of a mystery. Septarian veins are made up of calcite crystals and can contain micro layers of pyrite and Siderite. Septaria is a mixture of several minerals, often including Calcite, Aragonite, and Chalcedony, and no two pieces are the exact same composition, truly one of a kind.
~ 4.75 X 5 X 2.75