A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Hemimorphite from Leadville, Colorado |
|---|---|
| Description | The white crystals are hemimorphite, which was called calamine before it was found in individual crystals. Hemimorphite is a silicate with formula Zn4Si2O7(OH)2-H2O. Specimens of hemimorphite tend to be of two very different forms. One form produces very glassy, clear or white, thin, bladed crystals, often well formed showing many crystal faces (such the crystals shown here). The other form produces a blue to blue-green botryoidal crust. This sample is approximately 9 cm across. |
| Location | USA ▹ Colorado. Near Leadville. |
| Photographer | Shannon Heinle. 2001-05-22. |
| Collection | University of North Dakota Mineralogy Collection #1252. |
| Key words | calamine, hemimorphite |
| Tech details | 451 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera. |
| GeoDIL number | 558 |
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