A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Wad from near Butte, Montana |
|---|---|
| Description | Wad is not a true mineral. It is a mixture composed primarily of manganese oxides, that forms when metal rich minerals are oxidized. Wad is sometimes called “bog manganese”. This sample is 2.9 cm across. |
| Location | USA ▹ Montana. Near Butte. |
| Photographer | Darla Sondrol. 2001-02-23. |
| Collection | University of North Dakota Mineralogy Collection #567. |
| Key words | wad, manganese |
| Tech details | 587 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 161 |
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