| Title | A large pyrite crystal with smaller quartz crystals on top |
| Description | This sample contains a large pyrite crystal (about 6 cm across) with smaller quartz prisms on top. It is from a hydrothermal ore deposit near Climax, Colorado. Note the growth striations that can be seen on the surface of the pyrite crystal. |
| Location | USA ▹ Colorado. Near Climax. |
| Photographer | Dexter Perkins. 2000-11-29. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | pyrite, quartz, Climax, Colorado, hydrothermal, Colorado |
| Tech details | 100 KB. Hand specimen. Provia E6 film, Canon A1 with macro lens, 1350dpi. |
| GeoDIL number | 3 |
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