925 Silver Hallmarked African Turquoise Bangle. Grade AAA. African Turquoise is a unique and valuable gemstone found in the deserts of Africa. African Turquoise is in fact a form of Jasper but it's properties ... African turquoise is believed to offer benefits such as promoting personal growth, transformation, and openness to new ideas. It is thought to have a protective energy that dispels negativity and provides emotional balance and calm. Metaphysically, it is associated with the heart, throat, and third eye chakras, potentially aiding in emotional healing, creativity, and intuition.