A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Staurolite in a schist from the Black Hills, South Dakota |
|---|---|
| Description | Staurolite, Fe2Al9Si4O22(OH)2, is a common metamorphic mineral that is sometimes used by metamorphic geologists to estimate the degree of metamorphism. Here we see brown staurolite crystals in a fine grained mica schist from near Custer, South Dakota. The crystals do not stand out much, which is typical for staurolite because it has a dull brown color and because it weathers quite easily. This sample is about 9 cm across. |
| Location | USA ▹ South Dakota. Near Custer. Black Hills. |
| Photographer | Shannon Heinle. 2001-03-26. |
| Collection | University of North Dakota Mineralogy Collection #1207. |
| Key words | Staurolite, South Dakota, Black Hills |
| Tech details | 904 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 267 |
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