[meteorite-list] pyrite not magnetic

From: Laurence Garvie <lgarvie_at_meteoritecentral.com>
Date: Thu, 4 Jan 2007 16:14:11 -0700
Message-ID: <2fb6ad9ea4b6d95da63b66eea0a77b03_at_asu.edu>

Pyrite, as in FeS2 is not ferromagnetic but diamagnetic. Upon heating
pyrite oxidizes and produces magnetic products (oxides). In contrast,
CoS2 with the pyrite structure is ferromagnetic. Anyway, pyrite is
rarely found in meteorites.
------------------------------------------------------------------------
--------------------------
Dr. Laurence A.J. Garvie
School of Earth and Space Exploration (SESE)
Arizona State University
Tempe
AZ 85287-1404
USA

phone +480 965 0470
fax +480 965 8102
------------------------------------------------------------------------
---------------------------
Received on Thu 04 Jan 2007 06:14:11 PM PST