im pretty sure thats the grity shit (glass grass) if you havnt consumed it yet lick your finger (or the bud) and touch the bud than lick it again, now bite about with your teeth and if you feel sand in betwean the teeth go to whoever you just got that off and kick their ass than fucking tell em to get some proper weed and to stop fucking about with that nnasty shit....

thats my couple of pennies...