Agate is believed to help discern truth, accept circumstances, and is a powerful emotional healer. It is believed to prevent insomnia and ensure pleasant dreams, to enhance personal courage and protect one against danger. Agate provides a calming influence, improves perception, concentration and helps to develop and increase one’s analytical talents. Healing Properties: agates are among the oldest good luck and healing stones. Agate is said to help treat disorders of the pancreas and to improve circulation. It is also a balancing and cleansing stone that can help bridge the gap between head and heart.