Large Prismatic Shard Recipe. However, only blood elves can benefit from this bug. A prismatic shard can be placed into a junimo hut to cause the junimo to cycle through the rainbow resembling a prismatic shard.
Major Healing Spell World of Warcraft from www.wowhead.com
I need the large ones alot, so getting smalls are fine with me. Wait for a server crash then take a portal to silvermoon/exodar where no one goes to buy the formula. If u dont want em, give em to me, lol.
Major Healing Spell World of Warcraft
You can go up 10 enchanting levels by simply turning 3 x small prismatic shard to 1 large prismatic shard, then turn em back to small ones again. Comentario de aether as of 2.4.1, i can confirm that the bug is still in effect. They cost about 10g each on my server's ah. 70 warlock (kratose) from uldum realm

Source: www.wowhead.com
Madame ruby in shattrath city in terokkar forest; You can go up 10 enchanting levels by simply turning 3 x small prismatic shard to 1 large prismatic shard, then turn em back to small ones again. A prismatic shard can be used in the sewing machine to create prismatic clothing (see tailoring below). This spell was introduced in patch 2.2 with a 2 day cooldown. So it can be very expensive, luckely, we can turn smalls into larges!