A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Dumortierite from Oreana, Nevada |
|---|---|
| Description | This sample of Dumortierite is from Oreana, Nevada. Dumortierite has composition near to (Al,Fe)7(BO3)(SiO4)3(O,OH)3. The purple color is typical of dumortierite, although blue and pink-red varieties are also common. Dumortierite can be a component of granitic rocks, and also occurs in some ore deposits and metamorphic rocks. This specimen is about 7 cm in length. |
| Location | USA ▹ Nevada. Near Oreana. |
| Photographer | Nessa Eull. 2001-03-28. |
| Collection | University of North Dakota Mineralogy Collection #1296. |
| Key words | dumortierite, Nevada |
| Tech details | 836 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 271 |
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