Opal is known to be a stone of love, hope, innocence, purity and inspiration. It calms the mind, provides security, helps relieve stress and helps to counter depression. It is the ideal stone for restless minds and overthinkers. It helps to stop tormenting oneself with the past and encourages one not to worry about the uncertainty of the future. If you have recurring nightmares, or sleep problems, this stone is ideal to help against these problems. Opal is also known to shield against the negative energy of those around you and helps to go unnoticed when one doesn’t want to be noticed. It is the perfect stone for shamans and healers.