A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Groutite from Ironton, Minnesota |
|---|---|
| Description | Groutite is a polymorph of manganite, MnO(OH). This sample is about 6 cm across. |
| Chronostratigraphy | Precambrian |
| Location | USA ▹ Minnesota ▹ Crow Wing. Near Brainerd. |
| Photographer | Shannon Heinle. 2001-02-23. |
| Collection | University of North Dakota Mineralogy Collection #537. |
| Key words | Groutite, Minnesota |
| Tech details | 537 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 144 |
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