|Tuesday, November 9, 2010||47D||It glitters but isn't gold||Daniel A. Finan|
|Friday, May 25, 2007||52A||Source of sulfuric acid||Mike Nothnagel|
|Sunday, December 11, 2005||50A||Fool's gold||Ben Tausig|
3 results for PYRITE from older pre-Shortz puzzles.
|Tuesday, October 13, 1992||48D||Source of sulfuric acid||James L. Beatty||Maleska|
|Saturday, November 17, 1984||4D||Source of sulfuric acid||Bert Rosenfield||Maleska|
|Wednesday, June 8, 1983||18D||Sulfur source||Rein||Maleska|