Large green onyx crystal egg.
Size approximately 5cm x 7cm
Green Onyx is believed to carry the primary properties of all forms of Onyx, such as strength, willpower, and discipline, but the green variety stimulates these traits directly from the heart. 
It can soothe one's heart, bringing one to a calm emotional state, and allowing for a still mind and inner endurance.
It is believed that by wearing or carrying Green Onyx, it is said you can tap into the energy of the Heart Chakra and improve your ability to speak with authority, logic, and clarity.