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Pyrrhotite?

Posted by Reiner Mielke  
Pyrrhotite?
July 06, 2012 12:36AM
ca    
[www.mindat.org] You sure that isn't a pseudomorph of pyrite after pyrrhotite?
Re: Pyrrhotite?
July 06, 2012 04:09PM
at    
Message sent.
avatar Re: Pyrrhotite?
July 06, 2012 06:33PM
ca    
Sure looks like one. Check the hardness.
Re: Pyrrhotite?
July 06, 2012 11:05PM
Also, Pyrrhotite tends to be magnetic, while pyrite does not.
avatar Re: Pyrrhotite?
July 09, 2012 06:40PM
ca    
Thanks Nik, The Trepca pyrrhotites respond well to a magnet. An even easier check than hardness.
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