Specularite from selected localities.
USA | |
| NMGS 21st Field Conference |
Rolf Luetcke | |
NMGS 21st Field Conference | |
NMGS 21st Field Conference | |
U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
NMGS 21st Field Conference | |
NMGS 21st Field Conference |
Ada Etta Mine, Virginia District, Lordsburg, Lordsburg Mining District, Pyramid Mountains, Hidalgo County, New Mexico, USA