This is a s925  sterling silver ring. the stone is 9mm long and  1mm high. this is a blue Turquoise with hings of green. 
 
 Metaphysical properties of Turquoise:
 
Turquoise has a strong connection to the throat chakra and helps to enhance communication and expression. It also aligns all of the chakras. Turquoise can also help you become more open to love and forgiveness, and release patterns of self-sabotage