Gassormic chords

Gassormic chords are essentially tempered dyadic chords tempered by the gassorma, 275/273.

Gassormic temperament contains many possibilities for essentially tempered dyadic chords including six triads in the 13-odd-limit.

The inversely related pairs of triads are:

• 1-7/5-5/3 chord with steps of 7/5-13/11-6/5 and 1-6/5-10/7 chord with steps of 6/5-13/11-7/5
• 1-14/11-5/3 chord with steps of 14/11-13/10-6/5 and 1-6/5-11/7 chord with steps of 6/5-13/10-14/11
• 1-7/5-11/6 chord with steps of 7/5-13/10-12/11 and 1-12/11-10/7 chord with steps of 12/11-13/10-7/5

Equal temperaments with gassormic chords include 4, 5, 10, 15, 22, 26, 29, 31, 41 and 53 ETs.