MiSoundofNature Interstellar Light Blue Clear Quartz Crystal Singing Bowls Laser Engraved Pattern Crystal Sound Bowl Meditation Therapy 432 Hz/440 HzMiSoundofNature Interstellar Light Blue Clear Quartz Crystal Singing Bowl Laser Engraved Pattern, Crystal Sound Bowl, Meditation Therapy (432Hz 440Hz) Our crystal bowls are available in a variety of colors for a unique and attractive look, especially in the sun, with natural positive energy. Product Description Each bowl is handcrafted and tested using state of the art systems to identify its sound, tuning it to specific notes or chakras, allowing for