Can You Get the "Burn Look" on an Aluminum(6061) yoyo?

My guess is no. Steel and titanium will acquire that look but aluminum will just blacken most likely. I base this on things I have heated in the past for other reasons. Or even taken a grinder to and overheated. That will cause steel to get the blue look but not aluminum. As I recall heating aluminum causes it to turn chalky then black. The oxidation process for aluminum differs from steel and titanium, which are capable of taking much more heat.