Agate Cube Lamp U#1 19cm sale 40 a beautiful bright blue color Black Tourmaline tumbled stones a beautiful bright blue color with shimmering violet flashes and enhanced opalescence while also producing an electric or sky blue crystal with a sparkling sheen and a faint iridescent rainbow These natural formations are then cut and polished to create the Agate Slices we have today Natural agate lamp that brings soothing energy and a soft glow to the atmosphere of any room Legend has it that agate can protect the bearer against risk and strengthen the bravery of its owners which is why ancient sailors believed that carving agate into amulets would protect them from dying or being lost at sea