I have used old dental picks to chip away at calcium deposits on shells.
Vicky Wall

John Andrews wrote:

>I got a collection of cowries which were in a basement for years.
>They are cloudy, hazy.  How can I clean them without damaging them?
>
>With them came many murex.  Can I soak these in 50% clorox?  How strongly can I pick away at the calcium deposits without damaging the fronds?  Can you suggest any common place tool?
>
>Can you recommend some websites for ID?  Many are very cumbersome, and it seems to take forever to get through a species.
>
>John Andrews
>Decal Specialties, Inc.
>2495  C  Blvd of the Generals
>Norristown, PA 19403
>484-674-2900
>484-674-2903 FAX
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