Quote Originally Posted by AgX View Post
Well, meanwhile I got intrigued by this topic and re-viewed my collection. And I have to admit that the matted chromium and matted anodized aluminium surfaces could be distinguished in specular light, with the former having more gloss.
But with much more surface treatments employed nowadays in the process of anodizing this may not apply any longer.
Under natural light aluminum, chrome, and nickel are easy to distinguish.