When Fortuna takes her first shot, while playing her first game with Sam, she sinks the 4-ball (purple). Two shots later, you can see the 4-ball back on the table as she sinks the 7-ball (maroon) in the side.
Castiel remembers Tamiel explaining about the angel swords and the Grigori. However, Tamiel told Sam this, not Castiel who was not even on the property when this conversation occurred. (10.20 Angel Heart)