Rock this Rock Crystal Quartz and Yellow Jade necklace with it's beautiful brass embellished beads! Sweet polished brass toggle clasp brings all 18" together. Rock Crystal Quartz is said to be a power stone and is also called the "Universal Crystal" because it channels universal energy. It enhances energy by absorbing, storing, amplifying, balancing, focusing and transmitting. Quartz also enhances thoughts as they are a form of energy and can assist with clarity and focus.