If the shell 'doesn't look right' without it...why take it off?
I have several cymatiums (cymatia?) some preserved clean and some 'au
naturel'
 
Hey!  perhaps those 'au naturel' are more 'scientifically worthy'!!!!!
 
Charles
 
-----Original Message-----
From: Conchologists of America List [mailto:[log in to unmask]]On
Behalf Of Karin Pucci de Farias
Sent: Friday, January 03, 2098 7:06 AM
To: [log in to unmask]
Subject: Re: Modiolus
 
 
Hi Beth
 
Try to use a mixture of 50% alcohol and 50% of glicerine. It works on
cymatium.
 
Karin
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> Does anyone have a suggestion for preserving the black periostracum on
> bivalves like Modiolus modiolus?  From what has been said earlier I
gather
> that with a mixture of patience and mineral oil I could remove the
> periostracum but some how the shell doesn't look "right" without it.  Any
> suggestions?