Swamp: 373.6 * 4200 = 1,569,120 (630k shards)
Iron: 417.6 * 2100 = 876,960 (415k shards)
Pack: 422.4 * 3700 = 1,562,880 (780k shards)
4mxp for 10k crims.
783.2 * 300 = 234,960
234kxp for 300 blues.
87 * 1500 = 130,500
130kxp for 1500 golds
Total = 4.5m.
Bonus xp weekend = 5mxp.
XP required for 99 = 5.65m
So approximately 650kxp extra xp needed. That's an extra 1.5k crimsons.
SO, I'll stop when I've got 11.5k crimsons. I can stop a few hundred before, since I haven't factored green charms into the calcs. :)