necessarily, Gems are recognized as having varying degrees
of strength relating to their color, tone and clarity. The
weight can be more for certain gems like pearl, coral, emerald,
hessonite garnet, diamond and yellow sapphire. But blue sapphire,
ruby, and chrysoberyl catseye should generally not be as large.
In my experience if they are well balanced by another gem with
an opposite quality (hot, cold or neutral) an even stronger
improvement is forthcoming.
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