Re-2: [meteorite-list] Shirokovsky etching

From: bernd.pauli_at_paulinet.de <bernd.pauli_at_meteoritecentral.com>
Date: Tue Feb 8 05:45:43 2005
Message-ID: <DIIE.0000003100003249_at_paulinet.de>

> My question is what it is ? Why this pattern looks like this ?

> http://www.meteoryt.net/ebay/shirokovsky_112a.jpg
> http://www.meteoryt.net/ebay/shirokovsky_112b.jpg
> http://www.meteoryt.net/ebay/shirokovsky_112c.jpg
> http://www.meteoryt.net/ebay/shirokovsky_112d.jpg


Hello All,

A genuine Widmannst?tten pattern can only develop if the
cooling process is long and slow enough. This Shirokovsky
pseudopallasite cooled too quickly.

Cheers,

Bernd
Received on Tue 08 Feb 2005 05:45:42 AM PST