The following description of sunstone's metaphysical properties comes from Philip Permutt's "The Crystal Healer", page 40. Measurements for each tower can be found below.
"Common Source: India Astrological Associations: Leo, Libra Chakra: Crown
Healing Qualities: Brings vitality, abundance, and longevity. [...] Emotional/Spiritual: Helps with fear and stress. Offers protection from 'evil spirits'."
