Sapphires are known as the stones of wisdom and serenity. They are used to release mental tension and dispel depression. They are believed to facilitate meditation, calm the mind, and provide the mental clarity required to surmount obstacles.
Iolite has been used by shamans to enhance their ability to have clear visions. Some legends even say iolite strengthens eyesight. Other metaphysical beliefs hold that iolite promotes pure thoughts, intuition and self-acceptance.