Is mother of pearl in powdered form edible?

Question

I've heard of people putting a small coating of mother-of-pearl on cakes and cupcakes, but was never sure if it was truly edible.

Answer 1

Yes, it is.  It's mostly calcium, but has a luminescent effect.

Answer 2

No its not ediable, what they use on cake is not real mother of pearl

Answer 3

i think it is actually