Clear crystal singing bowls are a type of musical instrument made from 99.99% quartz crystal, also known as alchemy bowls. We only sell high quality models! Purely hand blown. It's clear, but not glass. We can provide exquisite engraving patterns, flower of life, mermaid... They produce a beautiful, ethereal sound when struck with a mallet or rubbed with a wand. It is perfect for meditation, healing and yoga, and its beautiful appearance is also suitable for decoration.