Molybdite from Utah, USA
USA | |
| In the collection of Alex Earl |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Contributions to Economic Geology, 1923-24, Part-1 |
USA | |
| In the collection of Alex Earl |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Contributions to Economic Geology, 1923-24, Part-1 |