Blue Chalcedony
Hardness: 6-7
Structure: micro-crystalline quartz
Zodiac: Libra, Aquarius
Chakras: throat, third eye, crown
Properties: peaceful resolutions
Physical: healing for throat, head, and neck, calming inflammation
Emotional: relieves hostility and irritability, calming and balancing like the sea
Spiritual: helps you tap into the realm of ancestors, historically used in the breastplate of the Hebrew high-priest, provides power and knowledge