This root chakra singing bowl is tuned 432Hz C note. It is produced from the highest quality quartz crystal. TOPFUND crystal singing bowls have a translucent white, the crystal singing bowl set comes with a heavy duty crystal singing bowl case. The crystal singing bowl is housed in a suede texture bundle singing bowl bag to prevent pollution and easy to access. A crystal singing bowl mallet or suede striker & O-ring are packed in bundle pocket. Instruction paper for sound bowls healing included.