A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Prehnite |
|---|---|
| Description | Prehnite, Ca2Al2Si3O10(OH)2 (calcium aluminum silicate hydroxide), is an attractive mineral and is occassionally used for ornamental stone purposes. Typical prehnite forms rather thick crusts with a rough or crystaline texture. The color is usually a pleasant green and is at times distinctive of prehnite. Prehnite can be associated with many nice minerals and can make a fine specimen on its own. This sample is approximately 8 mm in width. |
| Location | USA ▹ Michigan. Lake Superior. |
| Photographer | Nessa Eull. 2002-02-15. |
| Collection | University of North Dakota Mineralogy Collection #1265. |
| Key words | Prehnite, Michigan |
| Tech details | 1.39 MB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 2373 |
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