Subject: are x-rays reflected by mirrors (aluminum), absorbed or do they penetrate.

When my dental assistant told me that she can watch me through a mirror 
while i was getting x-rays.  I asked her "isn't that the same as looking 
right at me" (exposure wise), she had never considered it before.  My 
dentist thinks that they're absorbed by the mirror.  I beg to differ, I 
think there reflected.  (it's a normal bathroom cabinet mirror)

Re: are x-rays reflected by mirrors (aluminum), absorbed or do they penetrate.