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[Orchid] Turritella agate  
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From: Martin Designs
Date: Wed Feb 16 16:08:36 2005
 
     
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http://www.ganoksin.com/orchid/archive/200502/msg00745.htm

    I've never heard that Turritella Agate was petrified fish eggs but
    it definitely consists of fossilized (agatized) snail shells. 
    However, as many experts have pointed out, they're not turritella: 

    "Turritella agate, Wyoming, dark brown to black agate with generally
    white shells of gastropod Goniobasis misidentified as Turitella=85" 
    (Credit Geological Society of America and agatelexiconletter). 

    But the incorrect name is so well established that well-known
    lapidary writer June Culp Zeitner, along with other experts,
    recommended long ago that the "turritella" name be preserved.   The
    spelling with two "r's" seems to be preferred by paleontologists. 

Rick Martin

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