Aquamarine - Pendulum
Pendulums are an incredible divination tool, used for dowsing. You can program Pendulums to answer your direct yes or no questions, or use them over a map to help you locate things. Pendulums have been used for centuries to help a variety of things, from finding water to locating unexploded mines in WWII. They also were used for medical dowsing called Rediesthesia, which means to diagnose disease and select remedies.
Please Remember , although the powers of crystals and stones are well documented and have been proven to help bring positivity into people's lives they are never a substitute for medical advice. if you have concerns about your physical or mental health then you should immediately contact a qualified medical professional.