Ruby in Zoisite Calcium aluminum silicate: Ca2Al3(Sio4)3(OH) Mohs: 6.5-7 Source: Tanzania Ruby in Zoisite is an energy amplification stone that can energize the entire field 0 Jones body. It is used to assist in healing from abuse or trauma issues stemming from incidents or situations in this life or others. It is used for psychic ability and empowerment as well as altered states of consciousness. Ruby in Zoisite stimulates the crown chakra as well as the heart chakra. Physically, it is used in crystal healing to benefit heart disorders and physical vitality.