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Interval information
Ratio 117440512/117406179
Monzo [24 -6 0 1 -5
Size in cents 0.50619
Name(s) quartisma
Color name Saquinlu-azo comma
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The quartisma is an unnoticeable 11-limit comma with a ratio of 117440512/117406179 and a value of approximately 0.5 cents. The quartisma is significant on account of it being the interval between a stack of five 33/32 quartertones and one 7/6 subminor third in Just Intonation- this significance in relation to quartertones being the source of its name. Tempering it out leads to a form of quartismic temperament. For a list of such temperaments, see Quartismic family.