Chalcopyrite is closely related to that of zinc blende ZnS (sphalerite). The unit cell is twice as large, reflecting an alternation of Cu and Fe ions replacing Zn ions in adjacent cells. In contrast to the pyrite structure chalcopyrite has single S sulfide anions rather than disulfide pairs. Another difference is that the iron cation is not diamagnetic low spin Fe(II) as in pyrite. Copper metal can be extracted from the roasting of chalcopyrite, as shown in the following reaction: Although if roasted partially it produces and . Chalcopyrite Chalcopyrite ( ) is a copper iron sulfide mineral that crystallizes in
Out of a Center Which Is Neither Dead nor Alive have "no catchy harmonies or sing-along choruses, but plenty of blissful textures are woven among the downtrodden loping." Out of a Center Which Is Neither Dead nor Alive Out of a Center Which Is Neither Dead Nor Alive is the debut full-length album by Chicago-based post-metal band Minsk. Produced by Sanford Parker, the album was released in 2005 on At a Loss Recordings. In a review of the album, Allmusic's Greg Prato wrote: "Although the group has obvious roots in metal (as evidenced by tracks like 'Narcotics and Dissecting Knives'), Minsk has plenty of tricks up its sleeve, such as