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
[EMAIL PROTECTED] 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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