Quetaipine - how can I tell if my new dosage is IR tablets or XR tablets?

I agree with Wildcat, and another possibility is that you provide us with the imprint of the pill (color/shape too) and we can check for you.

Hi, Nika!
You probably won't be able to tell by looking at the tablets because if it's a generic it could be from any one of a dozen or more manufacturers and they would all look a little different.
Check the label on your prescription bottle - it should indicate if it's XR. Otherwise contact the pharmacy that filled the script for you. They'll know.