Chakras : Throat

Sodalite is a stone of logic, rationality, and efficiency. Sodalite is a stone that is good for healing breaches in communication. 

It is a stone of truth, and brings this to all communications. It helps to end arguments or disagreements. It is particularly useful for honesty of emotions and love. It increases intelligence, knowledge and learning, and can unite the logical with the spiritual. 

Physically, it is beneficial for the glands, diabetes, digestive system, lymphatic cancer, relieving insomnia, and decreasing calcium deficiency. It is also used in crystal healing for quicker relief  of head colds.