Ooops, I forgot to mention that oils would be another way to keep the crystal(s) on the loops. There are plenty of viscous sticky oils to choose from. They are some of the same ones used when flash-cooling crystals.
-j On Fri, Dec 23, 2016 at 12:17 PM, Jim Pflugrath <jim.pflugr...@gmail.com> wrote: > A couple of ways of shipping RT crystals: > > We would mount in capillaries, seal the ends with wax, then Duco cement or > fingernail polish. Be aware that ambient air pressure will .... >