A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Alunogen, Al2(SO4)3ยท17(H2O) |
|---|---|
| Description | Alunogen, hydrated aluminum sulfate, is highly soluble in water. It forms as efflorescence in coal formations, as an oxidation product of sulfides in ore deposits in arid regions, or associated with fumaroles and hot springs. This sample is 8 cm across. |
| Location | Hungary. Near Hordrizsch. |
| Photographer | Nessa Eull. 2001-06-06. |
| Collection | University of North Dakota Mineralogy Collection #802. |
| Key words | alunogen, Hungary |
| Tech details | 745 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 645 |
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