Handmade 925 Sterling Silver Turquoise Gemstone Ring Turquoise Gemstone Ring Pure 925 Sterling Silver Ring Nickle Free Silver Ring SIZE- US Standard (3 -15) .....................................................................................But the healing powers of Turquoise also improve the mental state overall by increasing all of the following positive mental characteristics: serenity, creativity, empathy, positive thinking, sensitivity, intuition, happiness wisdom all of which result in a calmer state that leads to greater self-realization.