So I'm tired of getting talasites and dawnstones; the way I figure it, most people only know what they read on thottbot or wowhead (ie. small chance at epic gem, 100% chance at rare gem).
Simple fix to my dilemma: open it, take a peek, but don't loot it. If its not worth at least 50g, like a ruby, put it on trade channel and see what people will pay for it.
I've gotten 50-100g for them recently.
It's a little obvious, but, hey, more gold in my pocket.