Rock Candy: powdered sugar vs table sugar

Will powdered sugar work in rock candy? I already know that table sugar works.

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caitlinsdad6 years ago
I think powdered sugar contains a small amount of cornstarch or some other additive to keep it from clumping in the box. You are trying to make a super saturated solution of pure sugar that will crystallize out to form your rock candy. Use the powdered form only for decoration afterwards.
.  +1, except for the last sentence. Experiment! Try the powdered sugar and see what happens. Will crystal shape/size change? Color?
be sure to wipe that residue on your nose.

. Would that be the white sugar residue or the brown sugar residue?
So does that me caitlinsdad is a white noser or brown noser? Enquiring minds want to know!
if you're asking, depends on how heavy you sugarcoat it with molasses