| Title | Stalactitic calcite from Dubuque, Iowa, USA |
| Description | The sample of calcite, about 8 cm across, comes from an unknown cave in Iowa. |
| Location | USA ▹ Iowa. Near Dubuque. |
| Photographer | Dexter Perkins. 2001-06-26. |
| Collection | University of North Dakota Mineralogy Collection #634. |
| Key words | calcite, stalactite |
| Tech details | 419 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera, 60mm AF Nikon micro lens. |
| GeoDIL number | 886 |
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