[meteorite-list] Dean's NWA 4755 diogenite

From: ensoramanda <ensoramanda_at_meteoritecentral.com>
Date: Wed, 12 Sep 2007 00:11:26 +0100
Message-ID: <46E7209E.5020203_at_ntlworld.com>

Hi Bernd,

Yes Bernd I agree...a beautiful surprise when I got my piece of NWA 4755
from Dean. I had just added it to my shipment as a second thought after
investing in a 141g stunning end cut of a CV3 with not only amazing CAIs
and other inclusions, but great oriented regmaglypts on the end. Got a
nice slice of an achondrite from him too ( howardite I think ) Well
worth a look.

Regards

Graham Ensor

bernd.pauli at paulinet.de wrote:

>Hello folks,
>
>My 18.3-gram specimen of Dean's NWA 4755 diogenite was in the mailbox
>today and I can tell you it is a beauty! Thank you, Dean! Friday, August 31,
>I wrote it may be paired with NWA 3143. Now that I can see it in person
>beside my piece of NWA 3143, I'm pretty sure these two are paired.
>
>I also wrote that Dean's picture showed an area where beautiful hypersthene
>crystals met in triple junction. Now that I have this piece before me, a closer
>look through the micoscope reveals that this is one "huge", green hypersthene
>crystal measuring 8 mm (!) in widest dimension. It almost looks like it was a
>"Tatahouine inclusion."
>
>The Met.Bull. database describes NWA 3143 as having a "translucent"
>interior,...something I did not quite understand but my NWA 4755 from
>Dean clearly shows this phenomenon: when viewing it from a proper
>angle, you see what looks like a thin matte, silvery coating.
>
>BTW, Dean still has some smaller pieces for sale here:
>
>http://www.meteoriteshop.com/metsale/diogenite.html
>
>Best wishes,
>
>Bernd
>
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Received on Tue 11 Sep 2007 07:11:26 PM PDT