[meteorite-list] Schreibersite & Cohenite

From: Gerald Flaherty <grf2_at_meteoritecentral.com>
Date: Mon Mar 21 13:24:56 2005
Message-ID: <006401c5282f$f9925d20$6401a8c0_at_Dell>

Thank you Jeff and Bernd. Jerry
----- Original Message -----
From: <bernd.pauli_at_paulinet.de>
To: <info_at_meteorites.com.au>; <meteorite-list@meteoritecentral.com>
Sent: Saturday, March 12, 2005 8:55 AM
Subject: Re: [meteorite-list] Schreibersite & Cohenite


>> Is there a relatively easy and reliable way to visually
>> pick the difference between Schreibersite and Cohenite
>> in iron meteorites?
>
> Hello Jeff and List,
>
> Here is some information from Buchwald that may prove helpful
> in identifying schreibersite and cohenite in hand samples:
>
> Buchwald V.F. (1975) Handbook of Iron Meteorites, Vol. 1:
>
> Cohenite (p. 100):
>
> - cohenite is brilliant w h i t e
> - it is very hard, significantly harder than schreibersite
> - characteristic of group I irons (also occurs in other irons)
>
> Schreibersite (p. 104):
>
> - schreibersite is magnetic
> - it is y e l l o w in reflected light
> - compared to cohenite distinctly more brownish
> - softer and much more brittle than cohenite
>
> See also: O.R. Norton (2002) Cambridge Encyclopedia of
> Meteorites, Appendix C, Minerals in meteorites (pp. 311-313).
>
> Best wishes,
>
> Bernd
>
> To: info_at_meteorites.com.au
> meteorite-list_at_meteoritecentral.com
>
> ______________________________________________
> Meteorite-list mailing list
> Meteorite-list_at_meteoritecentral.com
> http://six.pairlist.net/mailman/listinfo/meteorite-list
Received on Sun 13 Mar 2005 07:51:35 PM PST