8mm - Approx 47 Beads Per Strand Material: Blue Onyx Agate Emotional Healing: Blue Onyx Agate is said to provide emotional support and promote inner peace, helping to reduce feelings of stress, anxiety, and fear. Communication: It is believed that Blue Onyx Agate can enhance communication skills and promote self-expression. Focus and Concentration: Blue Onyx Agate is said to enhance mental focus and concentration, making it a great stone for students or those who need to stay focused on their work. Physical Healing: Blue Onyx Agate is also believed to have physical healing properties, particularly for the throat, lungs, and eyes. It is said to help alleviate throat and respiratory issues, as well as improve vision.