Originally Posted by Boevis

Yes, the first set of calcs is just +7 damage, you'll notice no rip damage is added.

The other calculations are my brief attempt to find how much AP it's worth, Emmerald and other use +1 dmg = 14 AP, which I proved wrong, it's no worse than ~11.14 AP with an Enh Shaman present (12.25 without) becoming more valuable as crit increases.

Just to save the question later, picking a random crit % of 40% (high raid buffed) puts +7 dmg as adding 348.945 dmg per 20s cycle. +81 AP (with Enh Shaman) adds 347.835 dmg, so +1 dmg ~ 11.57 AP with raid crit % (12.73 AP if you don't have an Enh shaman)

Yes, I'm not including dodge or glancing, whatever.