For a while I was just selling them at 50g a pop, however when I was one of only 2 blacksmiths on my server selling the early Hyjal recipes, I sold them at 500g each. Went through all 60 orbs that day. People in WoW have absolutely no sense of patience. If they've got money and they can have it right now, they'll buy it right now. Less than 24 hours later, dozens of people had the exact same patterns I was selling the day before for half the price. They had to have known that.
They're what we like to call Customers