The technical term for what you see in the large grained galvanizing is called visible spangle (such as seen on the floor pan plugs or the trunk latch). The spangle is controllable during the hot dip process. You can specify the level of spangle to the plater. From my understanding, all hot dip galvanizing has spangle present. The difference is whether it's actually visible or not, basically, how large the spangle is.
BTW Charles, I still haven't forgotten ya!