Sunstone brings joy and brilliance to life, also gives a good mood and health. Cleanses well all chakras, intensifies intuition and lets the real essence manifest and shine.
Flat stone suits the best for healingwork, because it covers the chakra and the contact surface are is the largest. Also it will not fall off the body and is large enough to draw forth energetic and physical changes. Flat stones are also the best to carry in your pocket.