Agate:  cleanses and stabilizes the aura.  Agate enhances mental function, improving concentration, perception and analytical abilities.  It soothes and calms, healing inner anger or tension and creates a sense of security and safety.

Blue Quartz:  Alleviates fear and enhances creativity and expression.  It has the effect of balancing the throat chakra, it can assist in communication and allow its owner to reach out to others.  It is an uplifting stone which can aid to lift depression and restore hope, happiness and peace.