Pyrite
iron sulfide
FeS2
![Pyrite Crystals](http://marulla.com/wp-content/uploads/2008/11/imgp092.jpg)
Pyrite Crystals
Creole Mine, Lincoln District, Utah
Collected on 20 Aug 2006
![Pyrite on Quartz](http://marulla.com/wp-content/uploads/2008/10/008.jpg)
Pyrite on Quartz
Mary Murphy Mine, St. Elmo, Colorado
Collected on 9 Oct 08
![Rhodenite, Pyrite, and Galena](http://marulla.com/wp-content/uploads/2008/10/010.jpg)
Rhodenite, Pyrite, and Galena
Mary Murphy Mine, St. Elmo, Colorado
Collected on 9 Oct 08
![Pyrite on Quartz](http://marulla.com/wp-content/uploads/2008/10/0142.jpg)
Pyrite on Quartz
Aspen Mine, near Silverton, Colorado
Collected on 5 Oct 2008
![Pyrite on Quartz](http://marulla.com/wp-content/uploads/2008/10/015.jpg)
Pyrite on Quartz
Aspen Mine, near Silverton, Colorado
Collected on 5 Oct 2008
![Galena on a Pyrite Matrix](http://marulla.com/wp-content/uploads/2009/06/011.jpg)
Galena on a Pyrite Matrix
Revenue Mine, Ouray, Colorado
Collected on 7 Oct 2008
![Closeup of Galena and Pyrite](http://marulla.com/wp-content/uploads/2008/10/013.jpg)
Closeup of Galena and Pyrite
Revenue Mine, Ouray, Colorado
Collected on 7 Oct 2008