The crystal singing bowl is made of 99.99% purest quartz sand. AIO production technology: when the temperature reaches 3000-4000 degrees Celsius, then the sand become liquids, then made of the crystal singing bowls. Crystal singing bowls are made from crushed quartz and heated to about 4000 degrees in a centrifugal mold. Crystal singing bowl benefit at all levels of human being. Sound and frequency affects every atom & every cell. Some bowls harmonize with other bowls and when bother are played simultaneously, the effect is exquisite and synergistic.
They are available in clear or frosted bowls in a variety of size, ranging from 6"-24" in diameter. The bowls emit a powerful and pure resonance. The large bowls are much more reverberation with the tone lingering longer, simply because of the size and amount of crystal. the clear bowls, somewhat more expensive, are more readily available in smaller sizes. The size of the bowl does not necessarily determine its tone, although the large bowls sound lover octave and notes. Each bowl is tested with digital technology to identify its sound. One will have a sense of which one's energy centers or chakras.