Made from 99.99% pure quartz crystal-silicon dioxide. Material for Singing bowl : Quartz Crystal. 1x Crystal Singing Bowl G Chakra. - One should not directly strike the outside of the bowl but gently rubbed and circled along the edge of the bowl to make a sound, in an upright position, giving about half the length of the wand to the bowl surface near the top rim, then "follow the sound around the bowl, " with the wand or mallet, enhancing the duration and loudness of the tone.
