A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Manganite with quartz |
|---|---|
| Description | This specimen contains black manganite and white-salmon colored quartz. Manganite, MnO(OH), has sometimes been a valuable manganese ore mineral. It is, however, quite rare. Manganite's black, prismatic, and usually striated crystals are keys to identification. Crystals often group to form bundles or clusters. Columnar, massive and fiberous forms are also known. If manganite is massive, it is difficult to distinguish it from other manganese minerals. |
| Photographer | Darla Sondrol. 2001-02-12. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | manganite, ore, quartz |
| Tech details | 823 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 46 |
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