Title | Molybdenite in quartz from Questa, Mexico |
Description | The dark mineral in this photo is molybdenite, MoS2 (molybdenum sulfide), the principal molybdenum ore mineral. Molybdenite is a very soft metallic mineral, generally has a silvery color, and may form flexible “books.” It can be confused with graphite, but not with many other minerals. Graphite has a darker black-silver color and a black-gray to brown-gray streak, whereas molybdenite has a bluish-silver color and streak. These pieces are 5-6 cm in longest dimension. |
Location | USA ▹ New Mexico. Near Questa. |
Photographer | Twyla Baker. 2001-06-28. |
Collection | University of North Dakota Mineralogy Collection. |
Key words | molybdenite, quartz, New Mexico |
Tech details | 385 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 946 |
|