You can't detect paint from a picture but a thick coating would be apparent. None is. I suspect the thing has been soaked in some thin solution with paint dissolved in it. > -----Original Message----- > From: Aydin Orstan [SMTP:[log in to unmask]] > Sent: Monday, October 25, 1999 10:34 AM > To: [log in to unmask] > Subject: Re: Phosphorescent Seashell? > > John, > How can you tell if a shell was painted or not with a phosphorescent > pigment > by looking at its picture? If I were to make a shell glow in the dark, I'd > use > a phosphorescent ("glow-in-the-dark") nail polish, which are commonly > sold. > Nail polishes dissolve in acetone. So, a simple test would be to clean a > part > of the shell with acetone & then to see if that part glew less intensely > than > the rest. You need to convince the owner to do this, though. > > A. > > > On Mon Oct 25 11:32:28 1999, > "Cramer, John" <[log in to unmask]> wrote: > >Mark says he sees no sign of paint. There is no sign of paint from the > >pictures either. > > > >> -----Original Message----- > >> From: Aydin Orstan [SMTP:[log in to unmask]] > >> Sent: Monday, October 25, 1999 7:58 AM > >> To: [log in to unmask] > >> Subject: Re: Phosphorescent Seashell? > >> > >> Paul, > >> The shell may be real, but it may have been painted with a > phosphorescent > >> paint. > >> > >> A. > >