Hi guys wondered if anyone has had this problem i have found one of those rare gems in its own case and took it to that guy in riften to look at it maybe to buy it from me?but whenever i try to talk to him about it he tells me to piss off and gets a bit nasty with me what have i done wrong anybody else have this problem.

You need to post this in the cheats and hints section. Let's put it this way without spoiling it for people. You're not looking for a man...

sorry but when i activate the quest the compass takes me to him

dont worry, not a bug, just continue your business and you will know...