A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Emery (corundum) |
|---|---|
| Description | Emery is a black, massive, grayish-black to black variety of corundum, Al2O3 (aluminum oxide), with its color caused by a mixture of magnetite, hematite, and spinel. |
| Photographer | Nessa Eull. 2001-08-07. |
| Collection | University of North Dakota Mineralogy Collection #377. |
| Key words | Emery, Corundum |
| Tech details | 670 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1431 |
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