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NWA XXX   contributed by Steve Brittenham, IMCA 2184   MetBul Link


Roll Overs:     #1   #2   #3   #4   #5   #6   #7   #8   #9   #10    


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View all entries for   Meteorite (76)   Steve Brittenham (108)


Copyright (c) Steve Brittenham.
1022 grams.   unclassified



Steve writes:
I bought this 11.5 cm long, 1022 gram stone at the February 2019 Tucson show after first seeing it the prior September in Denver (it was on hold, but the buyer never showed).

It’s mostly covered with generally smooth fusion crust, regmaglypts, and contraction cracks (photos 1 through 4). A natural broken window (photo 5) appears to show two lithologies: an apparently eucritic one; and a second, more homogenous gray material.

There are also some differently textured areas within the fusion crust that might indicate it’s a breccia or some kind of melt (photo 6). The broken edge (photo 7) suggests these rough bicolored areas might be covering eucrite clasts.

Slightly greenish melt protrudes from under some of the fusion crust’s edges, with a few areas showing black veining and small reddish-brown spots (3D crossed-eyes photos 8 through 10).

While I’m quite curious as to what this meteorite is and how it looks inside, I’ve decided it’s much too beautiful to cut. So it will remain another unclassified NWA . . .


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Kevin Maloney
 8/9/2020 1:30:08 PM
very nice meteorite, I'm not sure if I would agree with it being a breccia though. Picture 6 reveals that the place where you think it is different is within a dimple and may have been exposed to a difference in heating. Purely speculation on my part. It's a great stone, unfortunately, perhaps the only way to know would be to cut it.
Twink Monrad
 8/8/2020 7:09:59 PM
Yes beautiful all over
John Divelbiss
 8/8/2020 6:28:59 PM
the basaltic makeup in pic #7 looks like a Eucrite to me, and the glass I see is in pic #10
Andrew Abraham
 8/8/2020 6:02:16 PM
Amazing. Congratulations and thank you for sharing this beauty!
Steve Brittenham
 8/8/2020 4:41:03 PM
Thanks, everyone, for the kind comments. Yeah, it's definitely among my favorites to display. And I forgot to mention in the writeup that a magnet does not stick to it. Sometimes I have my meteorites CAT-scanned, but with no metal, this one likely wouldn't be that interesting, so it probably won't get done.
Kenneth Regelman
 8/8/2020 11:58:34 AM
Beauty,Fantastic fusion crust, a real keeper My first impression it is an Impact Melt L6 or L7 !
John Divelbiss
 8/8/2020 5:50:08 AM
photo 7 is very interesting. Maybe you have a unique breccia, whether it is monomict or polymict, it is hard to say. The melt, obvious in the later photos, looks like it has a nice black glass coating on it.
matthias
 8/8/2020 5:11:16 AM
Not to cut this beauty - good decision!
Jarosław Morys
 8/8/2020 4:55:47 AM
Wonderful!!! :D
Andi Koppelt
 8/8/2020 4:39:20 AM
Whow, a nicely shaped eucrite! Surely an eye catcher within a good collection due to its black-black leather-like crust.
Simon Bartlett
 8/8/2020 4:22:27 AM
That's fantastic - would love that on my desk!
Bernd Pauli
 8/8/2020 4:19:09 AM
Thumbprinted, probably eucritic beauty! Thanks for sharing with the community, Steve!
 

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