Agreed, not smoky quartz. No value at all. Quartz crystals have value when they are perfectly formed and terminated specimens. This is just a chunk that likely broke out of a seam and has been river tumbled. If it was collected in a gold producing region, I'd break it open and inspect it for possible gold inclusions.
First,an attaboy for packing out a 50 lb.rock. Second,no need to go postal because it,s not what you thought. You asked a question,you got an answer. These are knowledgeable people who answered you.If you disagree,there,s a civil way to do so.