This is an insignificant one to most, however Arenanet has shown many times that do change/update this sort of thing, so this is an official request for this item to be added to the list:
Poly-luminscent Undulating Refractor (Green) and Poly-luminescent Undulating Refractor (Teal) both use what appear to be the same icon. Would be nice if the Teal one had a bit more blue in it so it is easily distinguished from the Green one.
Where are my gem sales? I want gem sales! Nerf EVERYTHING!