Agate Night Lights (NAGNL) Chase away the darkness with our Agate Night Lights. The soft light shines behind the stone to show off the delicate patterns and enchanting colors of this amazing stone. Assortment includes natural, blue, and purple agates. Agate night lights emit a soft colorful glow, making them perfect for a child's room or the hallway. Agate is also known as chalcedony quartz and often displays concentric rings. It is considered a good luck stone and enhances creativity and stimulates the intellect. Select Natural, Blue or Purple color. Comes with light bulb in clamshell package.