[meteorite-list] Nobel Prizewinning Quasicrystal Fell From Space

From: cdtucson at cox.net <cdtucson_at_meteoritecentral.com>
Date: Tue, 3 Jan 2012 20:55:36 -0500
Message-ID: <20120103205536.UG0ZR.528633.imail_at_fed1rmwml304>

List,
Hats off to them for this fabulous discovery . Also, It does not appear to have a fusion crust? No scale cube either in picture.
Does anybody know the weight?
Thanks
Carl
meteoritemax
Cheers

---- "Greg Hup?" <gmhupe at centurylink.net> wrote:
> Jeff replied:
> "No."
>
> Quick and to the point, I like that! :)
> Is a name and/or number in the works?
>
> Thank you,
> Greg
>
> -----Original Message-----
> From: Jeff Grossman
> Sent: Tuesday, January 03, 2012 7:40 PM
> To: meteorite-list at meteoritecentral.com
> Subject: Re: [meteorite-list] Nobel Prizewinning Quasicrystal Fell From
> Space
>
> No.
>
> On 1/3/2012 2:41 PM, Greg Hup? wrote:
> > Very interesting! Does this meteorite have a name or number yet?
> >
> > Best Regards,
> > Greg
> >
> > ====================
> > Greg Hup?
> > The Hup? Collection
> > gmhupe at centurylink.net
> > www.LunarRock.com
> > NaturesVault (eBay)
> > IMCA 3163
> > ====================
> > Click here for my current eBay auctions:
> > http://search.ebay.com/_W0QQsassZnaturesvault
> >
> >
> >
> > -----Original Message----- From: Ron Baalke
> > Sent: Tuesday, January 03, 2012 1:56 PM
> > To: Meteorite Mailing List
> > Subject: [meteorite-list] Nobel Prizewinning Quasicrystal Fell From Space
> >
> >
> > http://www.newscientist.com/article/dn21325-nobel-prizewinning-quasicrystal-fell-from-space.html
> >
> > Nobel prizewinning quasicrystal fell from space
> > by David Shiga
> > New Scientist
> > January 3, 2012
> >
> > A Nobel prizewinning crystal has just got alien status. It now seems
> > that the only known sample of a naturally occurring quasicrystal fell
> > from space, changing our understanding of the conditions needed for
> > these curious structures to form.
> >
> > Quasicrystals are orderly, like conventional crystals, but have a more
> > complex form of symmetry. Patterns echoing this symmetry have been used
> > in art for centuries, but materials with this kind of order on the atomic
> > scale were not discovered until the 1980s.
> >
> > Their discovery, in a lab-made material composed of metallic elements
> > including aluminium and manganese, garnered Daniel Shechtman of
> > the Technion Israel Institute of Technology in Haifa last year's Nobel
> > prize in chemistry.
> >
> > Now Paul Steinhardt of Princeton University and colleagues have evidence
> > that the only known naturally occurring quasicrystal sample, found in a
> > rock from the Koryak mountains in eastern Russia, is part of a meteorite.
> >
> > Nutty conditions
> >
> > Steinhardt suspected the rock might be a meteorite when a team that he
> > led discovered the natural quasicrystal sample
> > <http://dx.doi.org/10.1126/science.1170827>
> > in 2009. But other researchers, including meteorite expert Glenn
> > MacPherson
> > of the Smithsonian Institution of Washington DC, were sceptical.
> >
> > Now Steinhardt and members of the 2009 team have joined forces with
> > MacPherson to perform a new analysis of the rock, uncovering evidence
> > that has finally convinced MacPherson.
> >
> > In a paper that the pair and their teams wrote together, the researchers
> > say the rock has experienced the extreme pressures and temperatures
> > typical of the high-speed collisions that produce meteoroids in the
> > asteroid belt. In addition, the relative abundances of different oxygen
> > isotopes in the rock matched those of other meteorites rather than the
> > isotope levels of rocks from Earth.
> >
> > It is still not clear exactly how quasicrystals form in nature.
> > Laboratory specimens are made by depositing metallic vapour of a
> > carefully controlled composition in a vacuum chamber. The new discovery
> > that that they can form in space too, where the environment is more
> > variable, suggests the crystals can be produced in a wider variety of
> > conditions. "Nature managed to do it under conditions we would have
> > thought completely nuts," says Steinhardt.
> >
> > Journal reference: /Proceedings of the National Academy of Sciences/,
> > DOI: 10.1073/pnas.1111115109 <http://www.pnas.org/>
> >
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Received on Tue 03 Jan 2012 08:55:36 PM PST