Thas right about Pen Shells, perks, and perios. You remove the perk first. If you want the perio, don't bleach. Just leave it out on the porch until the smell goes away. Pen shells: I use a number 2 pencil. Wha do I know?
Just keep in mind: I'm right about most things----just not the ones I write about.
Art
--
PLEASE NOTE: My new, long-term, and correct email address is: [log in to unmask] Please update your records!
---- Franck Frydman <[log in to unmask]> wrote:
> Yes , bleach ruins nacre but it is possible to avoid such damage by oiling
> it before bleaching .It is also possible to keep some periostracum on a
> shell by protecting it from bleach with paraffin oil . For cowries My advice
> would be to avoid bleach since it leaves a whitish layer on the shell .
> Franck frydman
> ----- Original Message -----
> From: "[log in to unmask]" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, September 07, 2005 7:22 PM
> Subject: Re: Mineral oil?
>
>
> > Do not bleach Haliotis (Abalone) shells, it ruins the interior nacre.
> >
> > Cheers
> >
> > Rick Negus
> >
> > Original Message:
> > -----------------
> > From: Jack Donner [log in to unmask]
> > Date: Wed, 7 Sep 2005 09:35:57 -0700
> > To: [log in to unmask]
> > Subject: Re: Mineral oil?
> >
> >
> > <html><div style='background-color:'><DIV class=RTE>
> > <P>I tried Bleach and got bleached out shells. I tried alcohol and got
> > bleached out shells. Perhaps I left the shells in too long? Jack
> > Donner<BR><BR></P></DIV>
> > <DIV></DIV>
> > <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT:
> > #a0c6e5 2px solid; MARGIN-RIGHT: 0px"><FONT style="FONT-SIZE: 11px;
> > FONT-FAMILY: tahoma,sans-serif">
> > <HR color=#a0c6e5 SIZE=1>
> >
> > <DIV></DIV>From: <I>[log in to unmask]</I><BR>Reply-To:
> <I>Conchologists
> > List
> > <[log in to unmask]></I><BR>To:
> <I>[log in to unmask]</I><BR>Su
> > bject: <I>Re: Mineral oil?</I><BR>Date: <I>Wed, 7 Sep 2005 10:49:46
> > -0400</I><BR>>O.K., I'll try.<BR>> Cleaning shells is easy. You dump
> > 'em into a bucket of bleach. Let 'em sit a while. I've NEVER ruined a
> shall
> > of any persuasion by this meathod. Then rince well and pick the encrusted
> > stuff off with a dental pick. Sometimes a fingernail will do. Oil!! I use
> a
> > light rubbing oil. Available at Army-Navy stores. A quart of the stuff
> will
> > last until Armagedon. It shines shell up nice, any shells.<BR>> Now
> > about Museum quality: Perfect is nice---but it's not always necessary.
> > You've seen
> > statues in musems without arms and without noses. If a shell is a bit
> > damaged---but is one of a kind---it is "Museum Quality".<BR>> Thas
> all
> > what I know.<BR>> Art<BR>><BR>><BR>>--<BR>>PLEASE NOTE: My new,
> > long-term, and correct email address is: [log in to unmask] Please
> > update your records!<BR>><BR>>---- Matt Blaine <[log in to unmask]>
> > wrote:<BR>> > I have been doing a lot of reading regarding cleaning
> shells.
> > Some sources<BR>> > recommend a light application of mineral oil on
> shells.
> > I was wondering if<BR>> > anyone had any advice on the use of mineral
> > oil or updated information on<BR>> > its use that they would be willing
> to
> > share? I am new at this and I do not<BR>> > want to damage my specimens by
> > doing something
> > inappropriate.<BR>> ><BR>> > Matt<BR>>
> >
> ><BR>><BR>>-----------------------------------------------------------------
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