Beading effects in different noble gasses.
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Helium link    Neon link
    Argon link
Beads in Helium (none)                            Beads in Neon                               Beads in Argon      
 


Krypton link    Xenon link    Argon link
           Beads in Krypton                         Beads in Xenon (poor)           Beads in Argon / Mercury (poor)