Aquamarine and Iolite with brass beads. Adjustable in size. 
Iolite: 
Third eye/Crown chakras 
Water/wind/ether element 
Iolite is a stone of vision. To assist in opening the third eye to see beyond the physical realm and see more intuitively. It also has a soft and calming energy that can assist in bringing inner balance. 
Aquamarine:
Cooling, soothing, enhancement of clear communication.
Water element.
Throat and heart chakras.
Helps to activate clear communication of one’s highest truth. Assists in bringing one in touch with deeper emotions and spiritual parts of self. A relaxing energy, reminding oneself of inner knowledge and wisdom, being able to speak them into existence and truth.
A cleansing energy, that still remains soft, especially when connecting to the emotional body. Helping to balance aggressive or angry energy and bringing forth more clarity. A cooling stone to calm the emotions and spirit and assisting to speak clear truth.