The polish I am talking about is Joe Fresh Twilight. I'll call it Swamp Thing for all you Twilight haters (I personally love it). Swamp Thing is a jelly black base with flakies caught up in it. When you apply it the black will become opaque in 2/3 coats (I did 3) but will let the flakies shine in all their glory through the black base.
Joe Fresh really did an awesome job on this one and if you ever happen to visit Canada/have a friend there/swap for goodies, make you sure you get this one!