| Title | Martite |
| Description | Martite is hematite, Fe2O3 (iron oxide), occurring in iron-black octahedral crystals pseudomorphous after magnetite. |
| Location | USA ▹ Arkansas. Near Magnet. |
| Photographer | Nessa Eull. 2001-07-25. |
| Collection | University of North Dakota Mineralogy Collection #369. |
| Key words | Martite, Arkansas |
| Tech details | 380 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1336 |
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