Hematite from Silverton, Animas Mining District, San Juan County, Colorado, USA
USA | |
| [var. Specularite] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Econ Geol (1991) 86:768-779 |
USA | |
| [var. Specularite] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Econ Geol (1991) 86:768-779 |