Argyria

Interval information

Ratio	41503/41472
Factorization	2-9 × 3-4 × 73 × 112
Monzo	[-9 -4 0 3 2⟩
Size in cents	1.293601 ¢
Names	argyria, (Young's) tinge
Color name	1ooz32, Lolotrizo comma
FJS name	[math]\displaystyle{ \text{d2}^{7,7,7,11,11} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	30.6808
Weil norm (log2 max(n, d))	30.6819
Wilson norm (sopfr(nd))	73
Comma size	unnoticeable
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In just intonation, 41503/41472, the argyria, is the unnoticeable 11-limit comma between three 8/7's (693.522 cents) and two 11/9's (694.816 cents), measuring 1.294 cents and casually once referred to as "the tinge". It is the difference of 1029/1024 and 243/242 and therefore is the Don Page comma between the intervals 11/9 and 8/7. Besides, it is also the difference of 385/384 and 540/539. Those two ratios make up 225/224. Therefore, tempering it out guarantees that 225/224 is split into two, each for 385/384~540/539.

It factors into two superparticular commas: (2401/2400)(3025/3024).

Etymology

This comma was named the argyria by Lériendil in 2024, on the pattern of the olympia and alongside the elysia, after Argyre Planitia on Mars.