Crystal Vibes Gemini D# and D# Notes Quartz Crystal Singing Bowl #crystaldsm45dsp25 37000059
D# Note Bowl
Note: D#-45 Octave: 4 Frequency: 303.5 Hz
D# Note Bowl
Note: D#+25 Octave: 4 Frequency: 315.9 Hz
Frequency Difference: 12.4 Hz (Beta Binaural)
Both ends of the Gemini bowl are Clear Quartz Crystal, 7 inches in diameter, connected at the base by a hollow handle, allowing for easy handling, without affecting the sustain of the notes.
Rim Thickness: ~3.0 mm
For more information on the 5 Main Brainwaves, you may visit the following link: https://www.silverskyimports.com/pages/information/delta-theta-alpha-beta-gamma-frequency-brain-waves.html