| Title | Boulangerite from Zacatecas, Mexico |
| Description | The fine fibrous material is boulangerite. Boulangerite, Pb5Sb4S11 (lead antimony sulfide), is one of a few sulfide minerals that form fine acicular crystals that appear as hair-like fibers. This specimen is 9 cm across. |
| Location | Mexico. Near Zacatecas. |
| Photographer | Darla Sondrol. 2001-07-03. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | boulangerite, Mexico |
| Tech details | 894 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1019 |
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