Check out Hella 4000s instead of Black Magics. Come in a bunch of beam patterns too. Euro, Fog, Pencil, etc.
First, take a 50/50 water/alcohol solution and douche all the sand out of your vagina. Seriously, you gotta get that nozzle ALL the way to the cervix since it sounds as though your vajayjay is completely blocked with a silica compound.