nucleus runs vs gemstone mining for alloy

[UndeadShiba]

would it be faster to
a.) do nucleus runs and meter an alloy
or to
b.) gemstone mine to get the money than buy alloy from ah

Spoiler: my gear/powder
I have 12.5m/20m/(almost)20m powder + a basically maxed 655 + mythic jaded divans with all perfects + epic scatha + legendary glacite golem

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