Our quartz crystal singing bowls are made from more than 99.99% pure quartz crystal, a natural element. The Crystal is placed in a mold and heated to 4000 degrees. Because our bodies are also composed of a crystalline structure, using singing bowls Crystal quartz for healing and meditation allows us to respond more quickly and positively to sound like therapy. This is why crystals are a key element in many of the different practices of holistic healing medicine.