Hi everyone,

     I have 2 specimens that were collected alive, each with a white crust covering the entire
dorsal surface of the shell.  The first is a 9 to 10 inch specimen of Lambis truncata.  The entire
dorsal surface is coated with a white crust.  I've read that bleach is recommended for such
shells.  However, I've ruined shells using that treatment.  The second shell is of Distorsio anus.
  Likewise, it is coated with a white crust.  What can anyone recommend for cleaning these shells
to reveal their hidden color and luster?  Any help you can provide will be greatly appreciated.
Thanks in advance. :)

Sincerely,
Tim Blackwood

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Timothy J. Blackwood
Phone: (218)755-3441
E-mail: [log in to unmask]
School Address:
136B Pine Hall
2005 Birchmont Drive NE
Bemidji, Minnesota 56601

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