Crystal Vibes Gemini D and D# Notes Quartz Crystal Singing Bowl #cg7dm20dsp45 37000098
D Note Bowl
Note: D -20 cents Octave: 4 Frequency: 291 Hz
D# Note Bowl
Note: D# +45 cents Octave: 4 Frequency: 319.5 Hz
Frequency Difference: 28.5 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: ~2.2 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
