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deterioration of meteorites
- To: meteorite-list@meteoritecentral.com
- Subject: deterioration of meteorites
- From: Peter Abrahams <telscope@europa.com>
- Date: Sat, 11 Jul 1998 08:29:09 -0700
- Old-X-Envelope-To: <meteorite-list@meteoritecentral.com>
- Resent-Date: Sat, 11 Jul 1998 11:31:25 -0400 (EDT)
- Resent-From: meteorite-list@meteoritecentral.com
- Resent-Message-ID: <"2TlKGC.A.CGB.UU4p1"@mu.pair.com>
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John at Voyage magazine has asked me if he can publish my earlier post on
why I feel meteorites are a bad investment. Since 'meteorites as
investments' is the least interesting aspect of meteoritics (though the
issue is relevant these days), I'd like to fill out the article with a list
of meteorites that are known to deteriorate if stored in the open air or
handled. Here's what I have so far, any additions (or disagreement) would
certainly be useful information to this list & Voyage's readers.
--------
Miles often breaks apart if stored in the air, and other silicated irons
are similar. Brenham often rusts and crumbles. Gibeon slices often rust,
as do a good number of other irons when sliced. Toluca and some other
irons rust as whole specimens. C1s are very fragile. Saratov & Bjurbole
are examples of very friable meteorite that can crumble from handling, El
Hammammi is somewhat less fragile. 'Micromounts' and small pieces become
worthless to a scientist when handled.
______________________________________
Peter Abrahams, telscope@europa.com
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