User:Jerdle/Beryl: Difference between revisions
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==Aquamarine== | ==Aquamarine== | ||
Because of the association of 13 with [[ | Because of the association of 13 with [[the Archipelago]] and [[the Biosphere]], the 2.3.5.7.11.13.37 extension of emerald is called aquamarine. However, this is rather difficult to achieve, the best approximations I have found providing a 20th-octave temperament with far greater badness than either berylic or emerald. | ||