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Re: [Orchid] GemBits - Chalcedony
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RING14K Monday, November 05, 2001
   
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    Sandra: your article is very informative but your evaluation of blue
    chalcedony is incorrect... Ellensburg blue- based on iron ion #4 is
    the rarest of the chalcedony garnering $270 a carat for the gem
    grade.. it has a blue to gray blue color and has a unique red
    cast... it will change color intensity with changes in body heat and
    humidity... also it changes  after you bring it  down to sea level
    unless it is a very stable piece... just another two cents for the
    pot!...God bless America...ringman 




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