A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Ullmanite from Siegen, Westphalia |
|---|---|
| Description | Ullmanite, NiSbS (nickel antimony sulfide), is a rare nickel mineral that belongs to the Cobaltite Group of minerals. Most members of this group are rare to extremely rare, except for cobaltite. Like other members of this group, ullmannite can form nice crystals that are either cubic, octahedral, tetrahedral or even pyritohedral, the classic crystal form of pyrite. This sample is 13 cm across. |
| Location | Westphalia. Near Siegen. |
| Photographer | Nessa Eull. 2001-07-18. |
| Collection | University of North Dakota Mineralogy Collection #219. |
| Key words | ullmanite, Westphalia |
| Tech details | 452 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1240 |
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