18 KGP Natural Red Agate Earrings. Diameter: 12 mm Round Agate 29 mm Red Agate Flower. Red agate is a popular crystal known for promoting emotional stability, grounding energy and physical vitality. Root chakra alignment: As a grounding stone, it connects with the root chakra to bring stability and a sense of physical safety. Used as protective talisman that shields the wearer from outside negative energy. Cleansing Methods: *Moonlight Place your stone on a windowsill or outside overnight under the light of the moon (especially during a full moon) to clear and recharge its energy safely. * Smudging With White Sage or Polo Santo.