[meteorite-list] nano diamonds in Allende

From: m42protosun <m42protosun_at_meteoritecentral.com>
Date: Sat, 20 Nov 2010 16:34:05 +0100
Message-ID: <1PJpS1-0biArI0_at_fwd10.aul.t-online.de>

Hello Jason, Thomasz and List.
I accept your argument. If nano diamonds are only of 1-3 nano diameter this objects ar to large,
Thank you for clearing. I've removed the picture.

m42protosun

-----Original-Nachricht-----
Subject: Re: [meteorite-list] nano diamonds in Allende
Date: Sat, 20 Nov 2010 11:36:48 +0100
From: Jason Utas <meteoritekid at gmail.com>
To: Tomasz Jakubowski <illaenus at wp.pl>
Cc: m42protosun at t-online.de, meteorite-list <meteorite-list at meteoritecentral.com>

Hello All,
Thomasz works with Raman Spectroscopy and knows what he's talking
about - if he says they're not 500nm in daimeter, I'd trust him. It's
a topic I've been looking into for graduate studies and at the moment,
Berkeley doesn't even have the capabilities for looking at such things
because we need a SEM techincian...and our last one apparently just
retired or quit.
Regards,
Jason



2010/11/19 Tomasz Jakubowski <illaenus at wp.pl>:
> Hi m42protosun and Met List member,
> I am not sure that You catch a nanodiamonds. Usually they are wisible
> under HRTEM microscope (High Resolution TEM) and grains was separate
> under acid treatment.
> Nanodiamonds form chondrites (CC, OC) have 2 - 3 nm size.
> Here a exemple of separate Tagish Lake nanodiamonds powder and my
> results form Raman Spectroscopy:
> http://picasaweb.google.com/illaenus/TagishLakeNanodiamonds#
>
> Also here is Daulton photo using a HRTEM ??of single grain form Allende :
> http://presolar.wustl.edu/work/tem.html
>
>
> All the best
> Tomek Jakubowski
> IMCA ??#2321
>
>
> Dnia 20-11-2010 o godz. 1:11 m42protosun napisa??(a):
>> Hi list,
>> with my new reflecting microscope I have now passed the 800 x mag. wall.
>> The result is stunningly beautiful!
>> Look at
>> http://www.flickr.com/photos/inside_of_meteorites/5190930880/
>>
>> m42protosun
>>
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Received on Sat 20 Nov 2010 10:34:05 AM PST