Crystal Vibes Gemini E and Perfect Pitch D Notes Quartz Crystal Singing Bowl #cg7em15dm5 37000072
E Note Bowl
Note: E -15 cents Octave: 4 Frequency: 327 Hz
D Note Bowl
Note: D -5 cents Octave: 4 Frequency: 274 Hz
Frequency Difference: 34.2 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
