 
| Content-Transfer-Encoding: |
7bit |
| Sender: |
|
| Subject: |
|
| From: |
|
| Date: |
Thu, 8 Sep 2005 00:29:20 +0200 |
| Content-Type: |
text/plain; charset="iso-8859-1" |
| MIME-Version: |
1.0 |
| Reply-To: |
|
| Parts/Attachments: |
|
|
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>>-----------------------------------------------------------------
> -----<BR>>[log in to unmask] - a forum for informal discussions on
> molluscs<BR>>To leave this list, click on the following web
> link:<BR>>http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1<BR>>Type
> your email address and name in the appropriate box and<BR>>click leave the
>
list.<BR>>------------------------------------------------------------------
> ----<BR></FONT></BLOCKQUOTE></div></html>
>
> ----------------------------------------------------------------------
> [log in to unmask] - a forum for informal discussions on molluscs
> To leave this list, click on the following web link:
> http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
> Type your email address and name in the appropriate box and
> click leave the list.
> ----------------------------------------------------------------------
>
> --------------------------------------------------------------------
> mail2web - Check your email from the web at
> http://mail2web.com/ .
>
> ----------------------------------------------------------------------
> [log in to unmask] - a forum for informal discussions on molluscs
> To leave this list, click on the following web link:
> http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
> Type your email address and name in the appropriate box and
> click leave the list.
> ----------------------------------------------------------------------
>
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Anti-Virus.
> Version: 7.0.344 / Virus Database: 267.10.18/91 - Release Date: 06/09/05
>
>
----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------
|
|
|
