A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Epidote with calcite |
|---|---|
| Description | Epidote has chemical formula, Ca2(Al,Fe)3(SiO4)3(OH). Epidote is a structurally complex mineral having both single silicate tetrahedrons and double silicate tetrahedrons. It is typically fine grained or massive with a “pistachio” color. Coarse crystals such as the ones shown here with salmon colored calcite, are often very dark green. This sample is appproximately 4 cm in longest dimension. |
| Location | USA ▹ South Dakota. Near Black Hills. |
| Photographer | Shannon Heinle. 2002-01-10. |
| Collection | University of North Dakota Mineralogy Collection #1266. |
| Key words | epidote |
| Tech details | 272 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1966 |
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