User talk:Pcbn

Covelite is ...?
Covellite is CuS with an S;Cu ratio of 1:1 (see Sulfide Minerology" Ribbe et al). Or maybe I am badly misunderstanding your edits to copper sulfide? --Smokefoot 22:17, 18 September 2006 (UTC)


 * Thank you for restoring the monovalency of Cu to the sulfide page. It has been 30 years or so since I published that fact, but there will always be doubting Thomases..

J.C.W. Folmer