[meteorite-list] Oddball 'Crystal' Survived Crash to Earth Inside Meteorite

From: Graham Ensor <graham.ensor_at_meteoritecentral.com>
Date: Wed, 18 Mar 2015 23:28:23 +0000
Message-ID: <CAJkn+kbPUst0yqSGo2U5DnLjOufhiEwJoPJHVC3MC3oDBX_+cA_at_mail.gmail.com>

Can't see their logic that they are unlikely to survive because the
meteorites "heat up inside"....we all know that they don't?

Graham

On Wed, Mar 18, 2015 at 10:13 PM, Shawn Alan via Meteorite-list
<meteorite-list at meteoritecentral.com> wrote:
> Hello Listers
>
> Let hope some fossils will survive from Mars :)
>
> Enjoy!
>
> Shawn Alan
> IMCA 1633
> ebay store http://www.ebay.com/sch/imca1633ny/m.html
> Website http://meteoritefalls.com
>
> Oddball 'Crystal' Survived Crash to Earth Inside Meteorite
> by Elizabeth Howell, Live Science Contributor | March 18, 2015
> 07:53am ET
>
> A bizarre crystal-like mineral recently found in a meteorite that
> crashed to Earth perhaps 15,000 years ago adds more support for the idea
> that the fragile structure can survive in nature. But how it formed at
> the beginnings of the solar system is still a mystery.
>
> The newfound mineral is called a "quasicrystal" because it resembles a
> crystal, but the atoms are not arranged as regularly as they are in real
> crystals. The quasicrystal hitched a ride to Earth on a meteorite that
> zipped from space through Earth's atmosphere and crashed to the ground.
> That process is generally a violent one that heats up the insides of
> rocks, making the delicate quasicrystal's survival a surprise.
>
> "The difference between crystals and quasicrystals can be visualized by
> imagining a tiled floor," said according to a statement by Princeton
> University in a press release. "Tiles that are six-sided hexagons can
> fit neatly against each other to cover the entire floor. But five-sided
> pentagons or 10-sided decagons laid next to each will result in gaps
> between tiles."
>
> Source:
> http://www.livescience.com/50167-quasicrystal-survived-meteorite-crash.html
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Received on Wed 18 Mar 2015 07:28:23 PM PDT