[meteorite-list] Fukang preparation extraneous material

From: Matt Morgan <mmorgan_at_meteoritecentral.com>
Date: Mon, 19 Feb 2007 12:01:17 -0700
Message-ID: <45D9F3FD.6090305_at_mhmeteorites.com>

Howard:
I have seen this in a few pallasites recently and it is can be
unsightly. It is a resin that is used to keep the thin slices from
falling apart. Also, I had some Seymchan recently cut (by a very
well-known person) and noticed he used some lacquer to hold together the
crusted surface of the piece where the olivine would come off. I
thought it was pretty ugly and removed the lacquer. Would rather have a
missing crystal than a blob of lacquer! Yuck.

Matt Morgan
Mile High Meteorites

doctor death wrote:
> I've recenly bought a 14 gram Fukang on ebay. While it wasn't apparrent in
> the photos, when I received it I noticed on one edge of the slice a yellow
> crystal fragment seemed floating separated a few mm by a clear matrix . I
> suspect that this was material used to stablitize this pallasite in
> preparation, although it looks more like glass than epoxy. Could this
> posibly be melt, or were most of these slices being prepared using some
> hardener to aid cutting.
>
> Howard Wu
>
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-- 
===============
Matt Morgan
Mile High Meteorites
P.O. Box 151293
Lakewood, CO 80215 USA
http://www.mhmeteorites.com
ebay id: mhmeteorites

Received on Mon 19 Feb 2007 02:01:17 PM PST